Sergeant, L. 1. (1898). The Franks: From their origin as a confederacy to the establishment of the kingdom of France and the German empire. G.P. Putnam's sons.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Sergeant, Lewis 1902. The Franks: From Their Origin as a Confederacy to the Establishment of the Kingdom of France and the German Empire. New York: G.P. Putnam's sons, 1898.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Sergeant, Lewis 1902. The Franks: From Their Origin as a Confederacy to the Establishment of the Kingdom of France and the German Empire. G.P. Putnam's sons, 1898.
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