Graham, T. (1993). Abū Sa'īd ibn Abī'l-Khayr and the School of Khurasan. Classical Persian sufism, 83-136.
Chicago Style (17th ed.) CitationGraham, Terry. "Abū Sa'īd Ibn Abī'l-Khayr and the School of Khurasan." Classical Persian Sufism 1993: 83-136.
MLA (8th ed.) CitationGraham, Terry. "Abū Sa'īd Ibn Abī'l-Khayr and the School of Khurasan." Classical Persian Sufism, 1993, pp. 83-136.
Warning: These citations may not always be 100% accurate.