Dyfyniad APA

Mortimer, P. (1986). Queen Elizabeth: A Portrait of the Queen Mother. St. Martin's Press.

Dyfyniad Arddull Chicago

Mortimer, Penelope. Queen Elizabeth: A Portrait of the Queen Mother. New York, USA: St. Martin's Press, 1986.

Dyfyniad MLA

Mortimer, Penelope. Queen Elizabeth: A Portrait of the Queen Mother. St. Martin's Press, 1986.

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