Cita APA (7a ed.)
Rao, P. (2002). Environmental engineering (3rd ed.). Prentice-Hall.
Cita Chicago Style (17a ed.)
Rao, P.Venugopala. Environmental Engineering. 3rd ed. New Delhi: Prentice-Hall, 2002.
Cita MLA (9a ed.)
Rao, P.Venugopala. Environmental Engineering. 3rd ed. Prentice-Hall, 2002.
Precaución: Estas citas no son 100% exactas.