Viesman, W. (1977). Introduction to hydrology (2nd ed.). IEP-A Dun-Donnelley Pub.
Cita Chicago (17th ed.)Viesman, Warren. Introduction to Hydrology. 2nd ed. New York: IEP-A Dun-Donnelley Pub, 1977.
Cita MLA (9th ed.)Viesman, Warren. Introduction to Hydrology. 2nd ed. IEP-A Dun-Donnelley Pub, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.