Dyfyniad APA

Environmental Resource Center & Karnofsky, B. (1997). Hazardous waste management compliance handbook (2nd ed.). Van Nostrand Reinhold.

Dyfyniad Arddull Chicago

Environmental Resource Center and Brian Karnofsky. Hazardous Waste Management Compliance Handbook. 2nd ed. New York: Van Nostrand Reinhold, 1997.

Dyfyniad MLA

Environmental Resource Center and Brian Karnofsky. Hazardous Waste Management Compliance Handbook. 2nd ed. Van Nostrand Reinhold, 1997.

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