APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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