Attfield, R. (1991). The ethics of environmental concern: The ethics of environmental concern (2nd ed.). University of Georgia Press.
Citace podle Chicago (17th ed.)Attfield, Robin. The Ethics of Environmental Concern: The Ethics of Environmental Concern. 2nd ed. Athens, GA: University of Georgia Press, 1991.
Citace podle MLA (9th ed.)Attfield, Robin. The Ethics of Environmental Concern: The Ethics of Environmental Concern. 2nd ed. University of Georgia Press, 1991.
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