Graham, W. A. (1977). Divine word and prophetic word in early Islam: A reconsideration of the sources, with special reference to the Divine Saying or Ḥadîth Qudsî. Mouton.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Graham, William A. Divine Word and Prophetic Word in Early Islam: A Reconsideration of the Sources, with Special Reference to the Divine Saying or Ḥadîth Qudsî. The Hague: Mouton, 1977.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Graham, William A. Divine Word and Prophetic Word in Early Islam: A Reconsideration of the Sources, with Special Reference to the Divine Saying or Ḥadîth Qudsî. Mouton, 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.