Citace podle APA (7th ed.)
Granberg-Michaelson, W. (1988). Ecology and life: Accepting our environmental responsiblity. Word Books.
Citace podle Chicago (17th ed.)
Granberg-Michaelson, Wesley. Ecology and Life: Accepting Our Environmental Responsiblity. Texas: Word Books, 1988.
Citace podle MLA (9th ed.)
Granberg-Michaelson, Wesley. Ecology and Life: Accepting Our Environmental Responsiblity. Word Books, 1988.
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