Muḥammad ʻAbd al-Raḥmān ʻĪd Maḥallāwī ; Shaʻbān Muḥammad Ismāʻīl (1961) Tashīl al-wuṣūl ilá ʻilm al-uṣūl /. Idārah al-Ṣiddīq,. ISBN: .