John Muir Institute for Environmental Studies and University of New Mexico. (1979). Environmental Ethics. Environmental Philosophy.
Chicago Style (17. basım) AtıfJohn Muir Institute for Environmental Studies and University of New Mexico. Environmental Ethics. Denton, Tex: Environmental Philosophy, 1979.
MLA (8th ed.) AtıfJohn Muir Institute for Environmental Studies and University of New Mexico. Environmental Ethics. Environmental Philosophy, 1979.
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