Peacock, J. L., & Kirsch, A. T. (1970). The human direction: An evolutionary approach to social and cultural anthropology. Appleton-Century-Crofts.
Chicago Style (17. basım) AtıfPeacock, James L., ve A. Thomas Kirsch. The Human Direction: An Evolutionary Approach to Social and Cultural Anthropology. New York: Appleton-Century-Crofts, 1970.
MLA (8th ed.) AtıfPeacock, James L., ve A. Thomas Kirsch. The Human Direction: An Evolutionary Approach to Social and Cultural Anthropology. Appleton-Century-Crofts, 1970.
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