APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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