Dyfyniad APA

Boyd, W. T. (1968). Your career in oceanology. New York: Julian Messner.

Dyfyniad Arddull Chicago

Boyd, Waldo T. Your Career in Oceanology. New York: Julian Messner, 1968.

Dyfyniad MLA

Boyd, Waldo T. Your Career in Oceanology. New York: Julian Messner, 1968.

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