APA (7th ed.) Zitazioa
Attfield, R. (1991). The Ethics of Environmental Concern (2nd ed.). University of Georgia Press.
Chicago Style (17th ed.) Zitazioa
Attfield, Robin. The Ethics of Environmental Concern. 2nd ed. Athens, Ga.: University of Georgia Press, 1991.
MLA (9th ed.) Zitazioa
Attfield, Robin. The Ethics of Environmental Concern. 2nd ed. University of Georgia Press, 1991.
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