توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)
Young, W. G. (1974). Patriarch, shah, and caliph: A study of the relationships of the Church of the East with the Sassanid Empire and the early caliphates up to 820 A.D., with special reference to available translated Syriac sources. Christian Study Centre.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)
Young, William G. Patriarch, Shah, and Caliph: A Study of the Relationships of the Church of the East with the Sassanid Empire and the Early Caliphates Up to 820 A.D., with Special Reference to Available Translated Syriac Sources. Rawalpindi: Christian Study Centre, 1974.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)
Young, William G. Patriarch, Shah, and Caliph: A Study of the Relationships of the Church of the East with the Sassanid Empire and the Early Caliphates Up to 820 A.D., with Special Reference to Available Translated Syriac Sources. Christian Study Centre, 1974.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.