APA (7e ed.) Bronvermelding

Rao,p.Venugopala. (2002). Textbook of environmental engineering. PHI Learning Private Limited.

Chicago (17e ed.) Bronvermelding

Rao,p.Venugopala. Textbook of Environmental Engineering. New Delhi: PHI Learning Private Limited, 2002.

MLA (9e ed.) Bronvermelding

Rao,p.Venugopala. Textbook of Environmental Engineering. PHI Learning Private Limited, 2002.

Let op: Deze citaties zijn niet altijd 100% accuraat.