Widengren, G. (1955). Muhammad, the apostle of God, and his ascension: (King and Saviour V). Uppsala: Lundequistska bokhandeln.
استشهاد بنمط شيكاغوWidengren, Geo. Muhammad, the Apostle of God, and His Ascension: (King and Saviour V). Uppsala: Lundequistska bokhandeln, 1955.
MLA استشهادWidengren, Geo. Muhammad, the Apostle of God, and His Ascension: (King and Saviour V). Uppsala: Lundequistska bokhandeln, 1955.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.