Yerkes, R. M. (1943). Chimpanzees: A laboratory colony. Yale University Press.
Cita Chicago Style (17a ed.)Yerkes, Robert M. Chimpanzees: A Laboratory Colony. New Haven: Yale University Press, 1943.
Cita MLA (9a ed.)Yerkes, Robert M. Chimpanzees: A Laboratory Colony. Yale University Press, 1943.
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