Clark, C. (1934). The flags of Britain: Their origin and history / by Cumberland Clark. Wilding & Son Ltd..
Citace podle Chicago (17th ed.)Clark, Cumberland. The Flags of Britain: Their Origin and History / by Cumberland Clark. Shrewsbury: Wilding & Son Ltd., 1934.
Citace podle MLA (8th ed.)Clark, Cumberland. The Flags of Britain: Their Origin and History / by Cumberland Clark. Wilding & Son Ltd., 1934.
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