Rao,p.Venugopala. (2002). Textbook of environmental engineering. PHI Learning Private Limited.
Chicago Style (17th ed.) CitationRao,p.Venugopala. Textbook of Environmental Engineering. New Delhi: PHI Learning Private Limited, 2002.
MLA (9th ed.) CitationRao,p.Venugopala. Textbook of Environmental Engineering. PHI Learning Private Limited, 2002.
Warning: These citations may not always be 100% accurate.