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APA-referens

Cohen, M. N. (1977). The food crisis in prehistory: Overpopulation and the origins of agriculture. Yale University Press.

Chicago-stil citat

Cohen, Mark Nathan. The Food Crisis in Prehistory: Overpopulation and the Origins of Agriculture. New Haven: Yale University Press, 1977.

MLA-referens

Cohen, Mark Nathan. The Food Crisis in Prehistory: Overpopulation and the Origins of Agriculture. Yale University Press, 1977.

Harvard-stil citat

Cohen, M. N. 1977. The food crisis in prehistory: Overpopulation and the origins of agriculture. New Haven: Yale University Press.

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