Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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