APA (7th ed.) Zitazioa
Thomas, R. (2014). Environmental ethics re-visited. Ethics International Press Ltd..
Chicago Style (17th ed.) Zitazioa
Thomas, Rosamund. Environmental Ethics Re-visited. Bury St. Edmunds, England: Ethics International Press Ltd., 2014.
MLA (9th ed.) Zitazioa
Thomas, Rosamund. Environmental Ethics Re-visited. Ethics International Press Ltd., 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.