Dyfyniad APA

Robertson, D. H., & Russell, C. W. (1961). Lifesaving: D.H. Robertson [and] Charles W. Russel. Sterling Pub.

Dyfyniad Arddull Chicago

Robertson, David H., and Charles W. Russell. Lifesaving: D.H. Robertson [and] Charles W. Russel. New York: Sterling Pub, 1961.

Dyfyniad MLA

Robertson, David H., and Charles W. Russell. Lifesaving: D.H. Robertson [and] Charles W. Russel. Sterling Pub, 1961.

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