Pojman, L. P., & Pojman, P. (2012). Environmental ethics : readings in theory and application: Readings in theory and application (6th ed.). Wadsworth.
Chicago Style (17. basım) AtıfPojman, Louis P., ve Paul Pojman. Environmental Ethics : Readings in Theory and Application: Readings in Theory and Application. 6th ed. Boston, Mass.: Wadsworth, 2012.
MLA (8th ed.) AtıfPojman, Louis P., ve Paul Pojman. Environmental Ethics : Readings in Theory and Application: Readings in Theory and Application. 6th ed. Wadsworth, 2012.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..