East, E. M., & Bingham, W. V. D. (1931). Biology in human affairs. Whittlesey House, McGraw-Hill Book Company, inc..
Citace podle Chicago (17th ed.)East, Edward M., a Walter Van Dyke Bingham. Biology in Human Affairs. New York: Whittlesey House, McGraw-Hill Book Company, inc., 1931.
Citace podle MLA (8th ed.)East, Edward M., a Walter Van Dyke Bingham. Biology in Human Affairs. Whittlesey House, McGraw-Hill Book Company, inc., 1931.
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