Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (9e éd.)

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