Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (8ú heag.)

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

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