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D. L. Mothersbaugh, D. I. Hawkins, and S. B. Kleiser, Consumer behavior: building marketing strategy, Fourteenth edition. New York: McGraw-Hill, 2020 [Online]. Available: https://library.lincoln.ac.uk/items/222753?query=9781260566482&resultsUri=items%3Fquery%3D9781260566482%26target%3Dcatalogue%26facet%255B0%255D%3Dfulltext%253Ayes&facet%5B0%5D=fulltext%3Ayes&target=catalogue
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N. G. Mankiw and M. P. Taylor, Economics, Fifth edition. Andover: Cengage, 2020 [Online]. Available: https://library.lincoln.ac.uk/items/223234?query=9781473768543&resultsUri=items%3Fquery%3D9781473768543%26target%3Dcatalogue%26facet%255B0%255D%3Dfulltext%253Ayes&facet%5B0%5D=fulltext%3Ayes&target=catalogue
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P. Kotler, G. Armstrong, M. O. Opresnik, and ProQuest (Firm), Principles of marketing, Eighteenth edition, Global edition. Harlow, England: Pearson, 2021 [Online]. Available: https://proxy.library.lincoln.ac.uk/login?qurl=https%3A%2F%2Febookcentral.proquest.com%2Flib%2Fulinc%2Fdetail.action%3FdocID%3D6127827
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S. Kemp and J. Andersson, Eds., Futures. Oxford: Oxford University Press, 2020 [Online]. Available: https://library.lincoln.ac.uk/items/223524?query=9780198806820&resultsUri=items%3Fquery%3D9780198806820%26target%3Dcatalogue%26facet%255B0%255D%3Dfulltext%253Ayes&facet%5B0%5D=fulltext%3Ayes&target=catalogue
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K. Sanders, J. A. Cogin, H. T. J. Bainbridge, and ProQuest (Firm), Research methods for human resource management, vol. 58. New York, New York: Routledge, 2014 [Online]. Available: https://proxy.library.lincoln.ac.uk/login?qurl=https%3A%2F%2Febookcentral.proquest.com%2Flib%2Fulinc%2Fdetail.action%3FdocID%3D1576035