Tor, D. G. (2018). The ʿAbbasid and Carolingian empires: Comparative studies in civilizational formation. Islamic history and civilization.
Citazione stile Chigago Style (17a edizione)Tor, Deborah G. "The ʿAbbasid and Carolingian Empires: Comparative Studies in Civilizational Formation." Islamic History and Civilization 2018.
Citatione MLA (8a ed.)Tor, Deborah G. "The ʿAbbasid and Carolingian Empires: Comparative Studies in Civilizational Formation." Islamic History and Civilization, 2018.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.