APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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