Smithsonian Institutions. (1968). The Fitness of man's environment: With an introduction by Jennie Lee. Smithsonian Institution Press.
Citace podle Chicago (17th ed.)Smithsonian Institutions. The Fitness of Man's Environment: With an Introduction by Jennie Lee. Washington: Smithsonian Institution Press, 1968.
Citace podle MLA (9th ed.)Smithsonian Institutions. The Fitness of Man's Environment: With an Introduction by Jennie Lee. Smithsonian Institution Press, 1968.
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