Dyfyniad APA

(1987). Hazardous waste disposal and underground construction law. Wiley.

Dyfyniad Arddull Chicago

Hazardous Waste Disposal and Underground Construction Law. New York: Wiley, 1987.

Dyfyniad MLA

Hazardous Waste Disposal and Underground Construction Law. Wiley, 1987.

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