Vandeveer,Donald Pierce, C. (2003). The environmental ethics & policy book (Third.). Holly Allen.
Chicago-viite (17. p.)Vandeveer,Donald Pierce, Christine. The Environmental Ethics & Policy Book. Third. Canada: Holly Allen, 2003.
MLA-viite (8. p.)Vandeveer,Donald Pierce, Christine. The Environmental Ethics & Policy Book. Third. Holly Allen, 2003.
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