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