APA (7th ed.) Zitazioa

Nasrin, D. (1999). Environmental education. APH.

Chicago Style (17th ed.) Zitazioa

Nasrin, Dr. Environmental Education. New Delhi: APH, 1999.

MLA (9th ed.) Zitazioa

Nasrin, Dr. Environmental Education. APH, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.