Deismireacht APA

Otto of Freising. (1953). The deeds of Frederick Barbarossa. New York: Columbia University Press.

Trích dẫn kiểu Chicago

Otto of Freising. The Deeds of Frederick Barbarossa. New York: Columbia University Press, 1953.

Deismireacht MLA

Otto of Freising. The Deeds of Frederick Barbarossa. New York: Columbia University Press, 1953.

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