Citace podle APA (7th ed.)

Ridker, R. G. (1972). Population resources, and the environment. Government Printing Office.

Citace podle Chicago (17th ed.)

Ridker, Ronald Gene. Population Resources, and the Environment. Washington, D.C: Government Printing Office, 1972.

Citace podle MLA (9th ed.)

Ridker, Ronald Gene. Population Resources, and the Environment. Government Printing Office, 1972.

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