Bourne, E. G. The Northmen, Columbus and Cabot, 985-1503.
Chicagoスタイル(17版)引用形式Bourne, Edward Gaylord. The Northmen, Columbus and Cabot, 985-1503.
MLA(9版)引用形式Bourne, Edward Gaylord. The Northmen, Columbus and Cabot, 985-1503.
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