[1]
Andriotis, K. 2001. Tourism Planning and Development in Crete: Recent Tourism Policies and their Efficacy. Journal of Sustainable Tourism. 9, 4 (2001), 298–316. DOI:https://doi.org/10.1080/09669580108667404.
[2]
Becken, S. 2002. Analysing International Tourist Flows to Estimate Energy Use Associated with Air Travel. Journal of Sustainable Tourism. 10, 2 (2002), 114–131. DOI:https://doi.org/10.1080/09669580208667157.
[3]
Belle, N. 2005. Climate Change and Small Island Tourism: Policy Maker and Industry Perspectives in Barbados. Journal of Travel Research. 44, 1 (Aug. 2005), 32–41. DOI:https://doi.org/10.1177/0047287505276589.
[4]
Buckley, R. et al. 2003. Nature-based tourism, environment and land management. CABI.
[5]
Buhalis, D. and Costa, C. 2006. Tourism management dynamics: trends, management and tools. Elsevier.
[6]
Carlsen, J. et al. 2001. The Environmental Attitudes and Practices of Family Businesses in the Rural Tourism and Hospitality Sectors. Journal of Sustainable Tourism. 9, 4 (2001), 281–297. DOI:https://doi.org/10.1080/09669580108667403.
[7]
Ceron, J.-P. and Dubois, G. The Potential Impacts of Climate Change on French Tourism. Current Issues in Tourism. 8, 2–3, 125–139. DOI:https://doi.org/10.1080/13683500508668209.
[8]
Coccossis, H. and Mexa, A. 2004. The challenge of tourism carrying capacity assessment: theory and practice. Ashgate.
[9]
Connor, Anne and Black, Stewart 1994. Performance review and quality assurance in social work. Jessica Kingsley.
[10]
Dickinson, Janet et al. 2010. Slow travel and tourism. Earthscan.
[11]
Dodds, R. 2008. Quality Assurance and Certification in Ecotourism. Annals of Tourism Research. 35, 3 (Jul. 2008), 838–840. DOI:https://doi.org/10.1016/j.annals.2008.03.005.
[12]
English Tourism Council 2001. National sustainable tourism indicators: monitoring progress towards sustainable tourism in England. English Tourism Council.
[13]
Font, X. et al. 2001. Environmental Management Systems in Outdoor Recreation: A Case Study of a Forest Enterprise (UK) Site. Journal of Sustainable Tourism. 9, 1 (2001), 44–60. DOI:https://doi.org/10.1080/09669580108667388.
[14]
Font, X. and Buckley, R. 2001. Tourism ecolabelling: certification and promotion of sustainable management. CABI Pub.
[15]
Font, X. and Tribe, J. 2001. Promoting green tourism: the future of environmental awards. International Journal of Tourism Research. 3, 1 (2001), 9–21.
[16]
González, M. and León, C.J. 2001. The adoption of environmental innovations in the  hotel industry  of Gran Canaria. Tourism Economics. 7, 2 (2001), 177–190.
[17]
Gössling, S. and Hall, C.M. 2006. Tourism and global environmental change: ecological, social, economic and political interrelationships. Routledge.
[18]
Hall, Colin Michael and Higham, James E. S. 2005. Tourism, recreation, and climate change. Channel View.
[19]
Hall, Colin Michael and Lew, Alan A. 2009. Understanding and managing tourism impacts: an integrated approach. Routledge.
[20]
Hamilton, J.M. et al. 2005. Climate change and international tourism: A simulation study. Global Environmental Change. 15, 3 (Oct. 2005), 253–266. DOI:https://doi.org/10.1016/j.gloenvcha.2004.12.009.
[21]
Herremans, I.M. et al. 2005. Environmental Management Systems (EMS) of Tour Operators: Learning from Each Other. Journal of Sustainable Tourism. 13, 4 (2005), 311–338.
[22]
Holden, A. 2008. Environment and tourism. Routledge.
[23]
Hughey, K.F.D. et al. 2004. A classification framework and management approach for the sustainable use of natural assets used for tourism. International Journal of Tourism Research. 6, 5 (Sep. 2004), 349–363. DOI:https://doi.org/10.1002/jtr.499.
[24]
lynes, J.K. and Dredge, D. 2006. Going Green: Motivations for Environmental Commitment in the Airline Industry. A Case Study of Scandinavian Airlines. Journal of Sustainable Tourism. 14, 2 (2006), 116–138.
[25]
L�uck, Michael et al. 2010. Cruise tourism in polar regions: promoting environmental and social stability?. Earthscan.
[26]
Mason, P. 2005. Visitor Management in Protected Areas: From ‘Hard’ to ‘Soft’ Approaches? Current Issues in Tourism. 8, 2–3 (2005), 181–194. DOI:https://doi.org/10.1080/13683500508668213.
[27]
Medina, L.K. 2005. Ecotourism and Certification: Confronting the Principles and Pragmatics of Socially Responsible Tourism. Journal of Sustainable Tourism. 13, 3 (2005), 281–295. DOI:https://doi.org/10.1080/01434630508668557.
[28]
Mycoo, M. 2006. Sustainable Tourism Using Regulations, Market Mechanisms and Green Certification: A Case Study of Barbados. Journal of Sustainable Tourism. 14, 5 (Sep. 2006), 489–511. DOI:https://doi.org/10.2167/jost600.0.
[29]
Pechlaner, H. and Tschurtschenthaler, P. 2003. Tourism Policy, Tourism Organisations and Change Management in Alpine Regions and Destinations: A European Perspective. Current Issues in Tourism. 6, 6 (2003), 508–539. DOI:https://doi.org/10.1080/13683500308667967.
[30]
Peeters, P. and Schouten, F. 2006. Reducing the Ecological Footprint of Inbound Tourism and Transport to Amsterdam. Journal of Sustainable Tourism. 14, 2 (2006), 157–171. DOI:https://doi.org/10.1080/09669580508669050.
[31]
Perry, A. 2006. Will Predicted Climate Change Compromise the Sustainability of Mediterranean Tourism? Journal of Sustainable Tourism. 14, 4 (Jul. 2006), 367–375. DOI:https://doi.org/10.2167/jost545.0.
[32]
Pröbstl, U. 2010. Management of recreation and nature based tourism in European forests. Springer.
[33]
Ramjeawon, T. and Beedassy, R. 2004. Evaluation of the EIA system on the Island of Mauritius and development of an environmental monitoring plan framework. Environmental Impact Assessment Review. 24, 5 (2004), 537–549. DOI:https://doi.org/10.1016/j.eiar.2004.01.001.
[34]
Scott, D. et al. 2006. Climate Change and the Sustainability of Ski-based Tourism in Eastern North America: A Reassessment. Journal of Sustainable Tourism. 14, 4 (Jul. 2006), 376–398. DOI:https://doi.org/10.2167/jost550.0.
[35]
Sharpley, R. 2009. Tourism development and the environment: beyond sustainability?. Earthscan.
[36]
Shaw, G. and Williams, A.M. 2002. Critical issues in tourism: a geographical perspective. Blackwell.
[37]
St. Clair Baker, A. 2005. Recreation and Tourism in Areas of Outstanding Natural Beauty: Key Influences on the Policymaking Process. Current Issues in Tourism. 8, 2–3 (2005), 93–113. DOI:https://doi.org/10.1080/13683500508668207.
[38]
Stonehouse, Bernard and Snyder, J. 2010. Polar tourism: an environmental perspective. Channel View.
[39]
Viner, A. Mediterranean tourism: exploring the future with the tourism climatic index. 14, 4.