Henson, C. M. (1971). Your environment: Air, air pollution, and weather. Interstate Printers & Publishers.
Citace podle Chicago (17th ed.)Henson, Collins M. Your Environment: Air, Air Pollution, and Weather. Danville, Ill: Interstate Printers & Publishers, 1971.
Citace podle MLA (9th ed.)Henson, Collins M. Your Environment: Air, Air Pollution, and Weather. Interstate Printers & Publishers, 1971.
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