Dyfyniad APA

Hammer, M. J. (2004). Water and wastewater technology. New Jersey: Pearson.

Dyfyniad Arddull Chicago

Hammer, Mark J. Water and Wastewater Technology. New Jersey: Pearson, 2004.

Dyfyniad MLA

Hammer, Mark J. Water and Wastewater Technology. New Jersey: Pearson, 2004.

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