APA aipamena

Des Jardins, J. R. (2001). Environmental ethics: An introduction to environmental philosophy (3rd ed.). Wadsworth Thomson Learning.

Chicago Style aipamena

Des Jardins, Joseph R. Environmental Ethics: An Introduction to Environmental Philosophy. 3rd ed. Australia: Wadsworth Thomson Learning, 2001.

MLA aipamena

Des Jardins, Joseph R. Environmental Ethics: An Introduction to Environmental Philosophy. 3rd ed. Wadsworth Thomson Learning, 2001.