APA (7th ed.) Zitazioa

VanDeVeer, D. (1998). The Environment ethics and policy book: Philosophy, ecology, economics. Wadsworth; ITP.

Chicago Style (17th ed.) Zitazioa

VanDeVeer, Donald. The Environment Ethics and Policy Book: Philosophy, Ecology, Economics. Belmont, CA: Wadsworth; ITP, 1998.

MLA (9th ed.) Zitazioa

VanDeVeer, Donald. The Environment Ethics and Policy Book: Philosophy, Ecology, Economics. Wadsworth; ITP, 1998.