Stewart, J. A. (1914). The Union Flag: Its history and design / by John A. Stewart. The Scottish Patriotic Association.
Chicago-referens (17:e uppl.)Stewart, John A. The Union Flag: Its History and Design / by John A. Stewart. Glasgow: The Scottish Patriotic Association, 1914.
MLA-referens (8:e uppl.)Stewart, John A. The Union Flag: Its History and Design / by John A. Stewart. The Scottish Patriotic Association, 1914.
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