APA (7th ed.) Zitazioa
De, A. K. (2006). Environmental Chemistry (6th ed.). New Age International.
Chicago Style (17th ed.) Zitazioa
De, Anil Kumar. Environmental Chemistry. 6th ed. New Delhi: New Age International, 2006.
MLA (9th ed.) Zitazioa
De, Anil Kumar. Environmental Chemistry. 6th ed. New Age International, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.