Hulme, F. E. The Flags of the World: Their History, Blazonry, and Associations.
Chicagoスタイル(17版)引用形式Hulme, F. Edward. The Flags of the World: Their History, Blazonry, and Associations.
MLA(9版)引用形式Hulme, F. Edward. The Flags of the World: Their History, Blazonry, and Associations.
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