Dyfyniad APA

James, G. V. Water treatment: : 4th ed (4th ed.).

Dyfyniad Arddull Chicago

James, G. V. Water Treatment: : 4th Ed. 4th ed.

Dyfyniad MLA

James, G. V. Water Treatment: : 4th Ed. 4th ed.

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