Dyfyniad APA

Metcalf & Eddy. (1995). Waste water engineering: Treatment, disposal , reuse (3rd ed.). TMH.

Dyfyniad Arddull Chicago

Metcalf and Eddy. Waste Water Engineering: Treatment, Disposal , Reuse. 3rd ed. New Delhi: TMH, 1995.

Dyfyniad MLA

Metcalf and Eddy. Waste Water Engineering: Treatment, Disposal , Reuse. 3rd ed. TMH, 1995.

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