Dyfyniad APA

Bolt, G. H. (1982). Soil chemistry: B. physicochemical models/2nd ed (2nd ed.). Elsevier.

Dyfyniad Arddull Chicago

Bolt, G H. Soil Chemistry: B. Physicochemical Models/2nd Ed. 2nd ed. Amsterdam: Elsevier, 1982.

Dyfyniad MLA

Bolt, G H. Soil Chemistry: B. Physicochemical Models/2nd Ed. 2nd ed. Elsevier, 1982.

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