APA-referens (7:e uppl.)

Gupta, I. D. (2009). Causes and patterns of climate change. Adhyayan Publ.

Chicago-referens (17:e uppl.)

Gupta, Ishwar Das. Causes and Patterns of Climate Change. New Delhi: Adhyayan Publ, 2009.

MLA-referens (9:e uppl.)

Gupta, Ishwar Das. Causes and Patterns of Climate Change. Adhyayan Publ, 2009.