1.
Dawkins R. The selfish gene [Internet]. 30th anniversary ed. Oxford: Oxford University Press; 2006. Available from: https://ebookcentral.proquest.com/lib/uea/detail.action?docID=422874
2.
Zimmer C. The tangled bank: an introduction to evolution. Second edition. Greenwood Village, Colorado: Roberts and Company; 2014.
3.
Alcock J. Animal behavior: an evolutionary approach. 10th ed. Sunderland, Mass: Sinauer Associates; 2013.
4.
Begon M, Townsend CR, Harper JL, Harper JL. Ecology: from individuals to ecosystems [Internet]. 4th ed. Malden, Mass: Blackwell; 2006. Available from: https://ebookcentral.proquest.com/lib/uea/detail.action?docID=243556
