Campbell, G., & Evans, I. O. (1953). The book of flags: Gordon Campbell and I.O. Evans (2. Aufl.). Oxford Univ. Press.
Čikaški stil citiranja (17. izdanje)Campbell, Gordon, i Idrisyn Oliver Evans. The Book of Flags: Gordon Campbell and I.O. Evans. 2. Aufl. London: Oxford Univ. Press, 1953.
MLA način citiranja (8. izdanje)Campbell, Gordon, i Idrisyn Oliver Evans. The Book of Flags: Gordon Campbell and I.O. Evans. 2. Aufl. Oxford Univ. Press, 1953.
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