Dyfyniad APA

(2001). Heavy metals release in soils. Boce Raton, FL: Lewis publishers.

Dyfyniad Arddull Chicago

Heavy Metals Release in Soils. Boce Raton, FL: Lewis publishers, 2001.

Dyfyniad MLA

Heavy Metals Release in Soils. Boce Raton, FL: Lewis publishers, 2001.

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