VanDeVeer, D. (1998). The Environment ethics and policy book: Philosophy, ecology, economics. Wadsworth; ITP.
Citazione stile Chigago Style (17a edizione)VanDeVeer, Donald. The Environment Ethics and Policy Book: Philosophy, Ecology, Economics. Belmont, CA: Wadsworth; ITP, 1998.
Citatione MLA (9a ed.)VanDeVeer, Donald. The Environment Ethics and Policy Book: Philosophy, Ecology, Economics. Wadsworth; ITP, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.