Παραπομπή σε μορφή APA (7η εκδ.)

VanDeVeer, D., & Pierce, C. (2003). The environmental ethics and policy book: Philosophy, ecology, economics (3rd ed.). Thomson/Wadsworth.

Παραπομπή σε μορφή Chicago (17η εκδ.)

VanDeVeer, Donald, και Christine Pierce. The Environmental Ethics and Policy Book: Philosophy, Ecology, Economics. 3rd ed. Belmont, CA: Thomson/Wadsworth, 2003.

Παραπομπή σε μορφή MLA (9th εκδ.)

VanDeVeer, Donald, και Christine Pierce. The Environmental Ethics and Policy Book: Philosophy, Ecology, Economics. 3rd ed. Thomson/Wadsworth, 2003.