Duckett, E. S. Alcuin, friend of Charlemagne: His world and his work.
استشهاد بنمط شيكاغوDuckett, Eleanor Shipley. Alcuin, Friend of Charlemagne: His World and His Work.
MLA استشهادDuckett, Eleanor Shipley. Alcuin, Friend of Charlemagne: His World and His Work.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.