van Bladel, Kevin. The Bactrian Background of the Barmakids. Akasoy, A.; Burnett, C.; Yoeli-Tlalim, R. (编). Islam and Tibet: Interactions along the Musk Routes. London: Ashgate. 2011: 43–88 [2022-10-14]. (原始内容存档于2022-08-31).
C. Edmund, Bosworth. Abū Ḥafṣ 'Umar al-Kirmānī and the Rise of the Barmakids. Bulletin of the School of Oriental and African Studies, University of London. 1994, 57 (2): 268–282. JSTOR 620573. doi:10.1017/S0041977X0002485X.
Bosworth, C.E. Abū Ḥafṣ 'Umar al-Kirmānī and the Rise of the Barmakids. Bulletin of the School of Oriental and African Studies (University of London). 1994, 57: 169-192,268-282. doi:10.1017/S0041977X0002485X.
Abbas, I. Barmakids. Yarshater, Ehsan (编). Encyclopædia Iranica, Volume III/8: Bardesanes–Bayhaqī, Ẓahīr-al-Dīn. London and New York: Routledge & Kegan Paul: 806–809. 1988. ISBN 978-0-71009-120-8.
jstor.org
C. Edmund, Bosworth. Abū Ḥafṣ 'Umar al-Kirmānī and the Rise of the Barmakids. Bulletin of the School of Oriental and African Studies, University of London. 1994, 57 (2): 268–282. JSTOR 620573. doi:10.1017/S0041977X0002485X.
web.archive.org
van Bladel, Kevin. The Bactrian Background of the Barmakids. Akasoy, A.; Burnett, C.; Yoeli-Tlalim, R. (编). Islam and Tibet: Interactions along the Musk Routes. London: Ashgate. 2011: 43–88 [2022-10-14]. (原始内容存档于2022-08-31).