Nadvī, Abulḥasan ʻAlī, 1913-1999 (1968) Al- Arkān al-arbaʻa : (aṣ-ṣalāt, az-zakāt, aṣ-ṣaum, al-ḥajj) fī ḍawʼ al-Kitāb wa-ʼs-sunna muqāranatan maʻa al-diyānāt al-ukhrá. Dār al-Fatḥ. ISBN: .