Craig, Edward. Philosophy: A Very Short Introduction. 2nd edn. Oxford: Oxford University Press, 2020. Web. <https://ezproxy.lib.gla.ac.uk/login?url=https://dx.doi.org/10.1093/actrade/9780198861775.001.0001>.
Crisp, Roger and Ebooks Corporation Limited. Routledge Philosophy Guidebook to Mill on Utilitarianism. Routledge philosophy guidebooks. London: Routledge, 1997. Web. <https://ebookcentral.proquest.com/lib/gla/detail.action?docID=170060>.
Driver, Julia and Ebooks Corporation Limited. Ethics: The Fundamentals. Vol. 1. Malden, Massachusetts: Blackwell Publishing, 2006. Web. <https://ebookcentral.proquest.com/lib/gla/detail.action?docID=1204064>.
Hume, David, and Richard H. Popkin. Dialogues Concerning Natural Religion: The Posthumous Essays, Of the Immortality of the Soul, and Of Suicide, from An Enquiry Concerning Human Understanding, Of Miracles. 2nd ed. Indianapolis: Hackett Publishing Company, 1998. Web. <https://uws-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=44PAI_ALMA2118846350003931&amp;context=L&amp;vid=44PAI_V1&amp;search_scope=default_scope&amp;tab=default_tab〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US>.
Mill, John Stuart, and Roger Crisp. Utilitarianism. Oxford philosophical texts. Oxford: Oxford University Press, 1998. Web. <https://ezproxy.lib.gla.ac.uk/login?url=https://search.ebscohost.com/login.aspx?direct=true&amp;db=nlebk&amp;AN=12417&amp;site=ehost-live>.
Moore, G. E. Principia Ethica. 2nd ed. Cambridge: Cambridge University Press, 1993. Web. <https://uws-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=44PAI_ALMA2116377800003931&amp;context=L&amp;vid=44PAI_V1&amp;search_scope=default_scope&amp;tab=default_tab〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US>.
Taliaferro, Charles. Aesthetics: A Beginner’s Guide (Beginner’s Guides). Oneworld Publications, 2011. Web. <https://uws-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=44PAI_ALMA2137006700003931&context=L&vid=44PAI_V1&search_scope=default_scope&tab=default_tab〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US&lang=en_US>.