Pojman, L. P. (2001). Environmental ethics: Readings in theory and application (3rd ed.). Belmont, CA.: Wadsworth/Thomson Learning.
Παραπομπή Chicago StylePojman, Louis P. Environmental Ethics: Readings in Theory and Application. 3rd ed. Belmont, CA.: Wadsworth/Thomson Learning, 2001.
Παραπομπή MLAPojman, Louis P. Environmental Ethics: Readings in Theory and Application. 3rd ed. Belmont, CA.: Wadsworth/Thomson Learning, 2001.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.