Dyfyniad APA

Pitt, B. (1980). The battle of the Atlantic. Time-Life Books.

Dyfyniad Arddull Chicago

Pitt, Barrie. The Battle of the Atlantic. Alexandria, Va: Time-Life Books, 1980.

Dyfyniad MLA

Pitt, Barrie. The Battle of the Atlantic. Time-Life Books, 1980.

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