APA aipamena

Singh,Chanchal. (2007). Global warming and climatology. Akansha Pub. House.

Chicago Style aipamena

Singh,Chanchal. Global Warming and Climatology. New Delhi, India: Akansha Pub. House, 2007.

MLA aipamena

Singh,Chanchal. Global Warming and Climatology. Akansha Pub. House, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.