Dyfyniad APA

Ortzen, L. (1974). Stories of famous shipwrecks. Arthur Barker.

Dyfyniad Arddull Chicago

Ortzen, Len. Stories of Famous Shipwrecks. London: Arthur Barker, 1974.

Dyfyniad MLA

Ortzen, Len. Stories of Famous Shipwrecks. Arthur Barker, 1974.

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