Dyfyniad APA

Bearman,Gerry. (1989). Ocean chemistry and deep-sae sediments. Pergamon.

Dyfyniad Arddull Chicago

Bearman,Gerry. Ocean Chemistry and Deep-sae Sediments. New York: Pergamon, 1989.

Dyfyniad MLA

Bearman,Gerry. Ocean Chemistry and Deep-sae Sediments. Pergamon, 1989.

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