APA aipamena

Malhotra, R. (2008). Global Warming. Global Vision Publishing House.

Chicago Style aipamena

Malhotra, Ravi. Global Warming. New Delhi: Global Vision Publishing House, 2008.

MLA aipamena

Malhotra, Ravi. Global Warming. Global Vision Publishing House, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.