Dyfyniad APA

(1998). Standard handbook of hazardous waste treatment and disposal. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Standard Handbook of Hazardous Waste Treatment and Disposal. New York: McGraw-Hill, 1998.

Dyfyniad MLA

Standard Handbook of Hazardous Waste Treatment and Disposal. New York: McGraw-Hill, 1998.

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