Manning, J. C. 1. (1997). Applied principles of hydrology (3rd ed.). Upper Saddle River, N.J.: Prentice Hall.
Dyfyniad Arddull ChicagoManning, John C. 1920-. Applied Principles of Hydrology. 3rd ed. Upper Saddle River, N.J.: Prentice Hall, 1997.
Dyfyniad MLAManning, John C. 1920-. Applied Principles of Hydrology. 3rd ed. Upper Saddle River, N.J.: Prentice Hall, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.