Davis, H. W. C. (1899). Charlemagne (Charles the Great): The hero of two nations. G.P. Putnam.
Chicagoスタイル(17版)引用形式Davis, H. W. Carless. Charlemagne (Charles the Great): The Hero of Two Nations. New York: G.P. Putnam, 1899.
MLA(8版)引用形式Davis, H. W. Carless. Charlemagne (Charles the Great): The Hero of Two Nations. G.P. Putnam, 1899.
警告: この引用は必ずしも正確ではありません.