APA-referens (7:e uppl.)

Bal, A. (2005). An introduction to environmental mgt. Himalaya.

Chicago-referens (17:e uppl.)

Bal, Anand. An Introduction to Environmental Mgt. Mumbai: Himalaya, 2005.

MLA-referens (9:e uppl.)

Bal, Anand. An Introduction to Environmental Mgt. Himalaya, 2005.