↑ Al-Qifti. Ikhbar al-'ulama' bi-akhbar al-hukama ("History of Learned Men"). In: Άbdul-Ramān al-Şūfī and his Book of the Fixed Stars: A Journey of Re-discovery by Ihsan Hafez, Richard F. Stephenson, Wayne Orchiston (2011). In: Orchiston, Wayne, Highlighting the history of astronomy in the Asia-Pacific region: proceedings of the ICOA-6 conference. Astrophysics and Space Science Proceedings. New York: Springer. ISBN 978-1-4419-8161-5. "... is the honored, the perfect, the most intelligent and the friend of the King Adud al-Dawla Fanakhasru Shahenshah Ibn Buwaih. He is the author of the most honored books in the science of astronomy. He was originally from Nisa and is of a Persian descent."
↑ Robert Harry van Gent. Biography of al-Sūfī. "The Persian astronomer Abū al-Husayn ‘Abd al-Rahmān ibn ‘Umar al-Sūfī was born in Rayy (near Tehrān) on 7 December 903 [14 Muharram 291 H] and died in Baghdād on 25 May 986 [13 Muharram 376 H]... the Persian astronomer Abū al-Husayn ‘Abd al-Rahmān ibn ‘Umar al-Sūfī who was commonly known by European astronomers as Azophi Arabus". University of Utrecht, Netherlands. Truy cập 2014-1-11
↑ George Robert Kepple & Glen W. Sanner (1998). The Night Sky Observer's Guide, Volume 1. Willmann-Bell, Inc. tr. 18. ISBN 0-943396-58-1.Quản lý CS1: sử dụng tham số tác giả (liên kết)
