Venugopala Rao, P. (2006). Principles of environmental science and engineering. Prentice Hall.
Chicago Style (17th ed.) CitationVenugopala Rao, P. Principles of Environmental Science and Engineering. New Delhi: Prentice Hall, 2006.
MLA (8th ed.) CitationVenugopala Rao, P. Principles of Environmental Science and Engineering. Prentice Hall, 2006.
Warning: These citations may not always be 100% accurate.