Dyfyniad APA
Mays, L. W. (2001). Water resources engineering. Wiley.
Dyfyniad Arddull Chicago
Mays, Larry W. Water Resources Engineering. New York: Wiley, 2001.
Dyfyniad MLA
Mays, Larry W. Water Resources Engineering. Wiley, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.