Dyfyniad APA

Wanielista, M. (1997). Hydrology: Water quantity and quality control. New York: John Wiley & Sons.

Dyfyniad Arddull Chicago

Wanielista, Martin. Hydrology: Water Quantity and Quality Control. New York: John Wiley & Sons, 1997.

Dyfyniad MLA

Wanielista, Martin. Hydrology: Water Quantity and Quality Control. New York: John Wiley & Sons, 1997.

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