Dyfyniad APA

Herschy, R. W. (1999). Hydrometry: Principles and practices (2nd ed.). Wiley.

Dyfyniad Arddull Chicago

Herschy, Reginald W. Hydrometry: Principles and Practices. 2nd ed. New York: Wiley, 1999.

Dyfyniad MLA

Herschy, Reginald W. Hydrometry: Principles and Practices. 2nd ed. Wiley, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.