APA aipamena

Nanda, V. K. (1997). Environmental education. Anmol.

Chicago Style aipamena

Nanda, V K. Environmental Education. ND: Anmol, 1997.

MLA aipamena

Nanda, V K. Environmental Education. Anmol, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.