Dyfyniad APA

Scott, J. S., & Smith,Paul G. (1981). Dictionary of Waste and Water Treatment. Butterworths.

Dyfyniad Arddull Chicago

Scott, John S., and Smith,Paul G. Dictionary of Waste and Water Treatment. London: Butterworths, 1981.

Dyfyniad MLA

Scott, John S., and Smith,Paul G. Dictionary of Waste and Water Treatment. Butterworths, 1981.

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