Cita APA (7th ed.)
Rao, P. V. (2002). Textbook of Environmental Engineering. Prentic Hall.
Cita Chicago (17th ed.)
Rao, P. Venugopala. Textbook of Environmental Engineering. New Delhi: Prentic Hall, 2002.
Cita MLA (9th ed.)
Rao, P. Venugopala. Textbook of Environmental Engineering. Prentic Hall, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.