Smithsonian Institutions. (1968). The Fitness of man's environment. With and introd. by Jennie Lee. Harper & Row.
Citace podle Chicago (17th ed.)Smithsonian Institutions. The Fitness of Man's Environment. With and Introd. by Jennie Lee. New York: Harper & Row, 1968.
Citace podle MLA (9th ed.)Smithsonian Institutions. The Fitness of Man's Environment. With and Introd. by Jennie Lee. Harper & Row, 1968.
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