(1998). Environmental ethics. Univ. Pr.
Chicago Style (17th ed.) CitationEnvironmental Ethics. Oxford: Univ. Pr, 1998.
MLA (9th ed.) CitationEnvironmental Ethics. Univ. Pr, 1998.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.
(1998). Environmental ethics. Univ. Pr.
Chicago Style (17th ed.) CitationEnvironmental Ethics. Oxford: Univ. Pr, 1998.
MLA (9th ed.) CitationEnvironmental Ethics. Univ. Pr, 1998.