APA (7th ed.) Zitazioa
Dhameja,Suresh K. Environmental studies (3rd ed.). S.K.Kataria 3rd ed.
Chicago Style (17th ed.) Zitazioa
Dhameja,Suresh K. Environmental Studies. 3rd ed. New Delhi: S.K.Kataria 3rd ed.
MLA (9th ed.) Zitazioa
Dhameja,Suresh K. Environmental Studies. 3rd ed. S.K.Kataria 3rd ed.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.