APA-čujuhus (7. p.)
ebrary, Inc, Summers, K., & Bernard Crespi. (2013). Human social evolution: The foundational works of Richard D. Alexander. Oxford University Press.
Chicago-čujuhus (17. p.)
ebrary, Inc, Kyle Summers, juo Bernard Crespi. Human Social Evolution: The Foundational Works of Richard D. Alexander. Oxford, England ; New York: Oxford University Press, 2013.
MLA-čujuhus (9. p.)
ebrary, Inc, et al. Human Social Evolution: The Foundational Works of Richard D. Alexander. Oxford University Press, 2013.
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