Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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