Badcock, C. (1991). Evolution and individual behavior: An introduction to human sociobiology. Blackwell.
Lua i Stíl Chicago (17ú heag.)Badcock, Christopher. Evolution and Individual Behavior: An Introduction to Human Sociobiology. Oxford: Blackwell, 1991.
Lua MLA (9ú heag.)Badcock, Christopher. Evolution and Individual Behavior: An Introduction to Human Sociobiology. Blackwell, 1991.
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