APA (7e ed.) Bronvermelding

Tiwari , S. (2007). Global warming and its effects on environment. Adhyayan.

Chicago (17e ed.) Bronvermelding

Tiwari , Somnath. Global Warming and Its Effects on Environment. New Delhi: Adhyayan, 2007.

MLA (9e ed.) Bronvermelding

Tiwari , Somnath. Global Warming and Its Effects on Environment. Adhyayan, 2007.

Let op: Deze citaties zijn niet altijd 100% accuraat.