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