APA (7th ed.) Zitazioa
Lamb, H. Charlemagne: The Legend and the Man. Bantam Books.
Chicago Style (17th ed.) Zitazioa
Lamb, Harold. Charlemagne: The Legend and the Man. Nueva York, EUA: Bantam Books.
MLA (9th ed.) Zitazioa
Lamb, Harold. Charlemagne: The Legend and the Man. Bantam Books.
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