APA (7th ed.) Zitazioa
ebrary, Inc, Platje, J., & Leal Filho, W. (2008). Management of environmental quality. Emerald.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Joost Platje, eta Walter Leal Filho. Management of Environmental Quality. [Bradford, England]: Emerald, 2008.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Management of Environmental Quality. Emerald, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.