APA (7e ed.) Bronvermelding

Crampton, W. G. (1979). The observer's book of flags: William G. Crampton (New ed.). Warne.

Chicago (17e ed.) Bronvermelding

Crampton, William G. The Observer's Book of Flags: William G. Crampton. New ed. London: Warne, 1979.

MLA (8e ed.) Bronvermelding

Crampton, William G. The Observer's Book of Flags: William G. Crampton. New ed. Warne, 1979.