Dyfyniad APA

Managing Editor : Frank Waters. (1972). Famous Explorers. London: [s.n].

Dyfyniad Arddull Chicago

Managing Editor : Frank Waters. Famous Explorers. London: [s.n], 1972.

Dyfyniad MLA

Managing Editor : Frank Waters. Famous Explorers. London: [s.n], 1972.

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