Rolston, H. (1988). Environmental Ethics: Duties to and values in the natural world. Temple University Press.
Citace podle Chicago (17th ed.)Rolston, Holmes. Environmental Ethics: Duties to and Values in the Natural World. Philadelphia: Temple University Press, 1988.
Citace podle MLA (9th ed.)Rolston, Holmes. Environmental Ethics: Duties to and Values in the Natural World. Temple University Press, 1988.
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