APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.