Caldwell, L. K. (1970). Environment: A challenge for modern society. Pub. for the American Museum of Natural History [by] the Natural History Press.
Citace podle Chicago (17th ed.)Caldwell, Lynton Keith. Environment: A Challenge for Modern Society. Garden City, N.Y: Pub. for the American Museum of Natural History [by] the Natural History Press, 1970.
Citace podle MLA (9th ed.)Caldwell, Lynton Keith. Environment: A Challenge for Modern Society. Pub. for the American Museum of Natural History [by] the Natural History Press, 1970.
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