Dyfyniad APA

Tchobanoglous, G. (1991). Wastewater engineering: Treatment, disposal, and reuse. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Tchobanoglous, George. Wastewater Engineering: Treatment, Disposal, and Reuse. New York: McGraw-Hill, 1991.

Dyfyniad MLA

Tchobanoglous, George. Wastewater Engineering: Treatment, Disposal, and Reuse. New York: McGraw-Hill, 1991.

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