APA (7. basım) Alıntı

Austin, W. F. The Great Events by Famous Historians, Volume 05 (From Charlemagne to Frederick Barbarossa).

Chicago Style (17. basım) Atıf

Austin, Walter F. The Great Events by Famous Historians, Volume 05 (From Charlemagne to Frederick Barbarossa).

MLA (9th ed.) Atıf

Austin, Walter F. The Great Events by Famous Historians, Volume 05 (From Charlemagne to Frederick Barbarossa).

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