Ṣallābī, ʿ. M. M. a. ʻUmar ibn al-Khaṭṭâb: His life and times = ʻUmarIbn-al-Ḫattāb. International Islamic Publishing House.
Chicago Style (17th ed.) CitationṢallābī, ʿAlī Muḥammad Muḥammad aṣ-. ʻUmar Ibn Al-Khaṭṭâb: His Life and Times = ʻUmarIbn-al-Ḫattāb. Riyadh: International Islamic Publishing House.
MLA (9th ed.) CitationṢallābī, ʿAlī Muḥammad Muḥammad aṣ-. ʻUmar Ibn Al-Khaṭṭâb: His Life and Times = ʻUmarIbn-al-Ḫattāb. International Islamic Publishing House.
Warning: These citations may not always be 100% accurate.