Eckholm, E. P. (1977). The picture of health: Environmental sources of disease (First edition.). Norton.
Citace podle Chicago (17th ed.)Eckholm, Erik P. The Picture of Health: Environmental Sources of Disease. First edition. New York: Norton, 1977.
Citace podle MLA (8th ed.)Eckholm, Erik P. The Picture of Health: Environmental Sources of Disease. First edition. Norton, 1977.
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