Jah, O. (1973). Sufism and the nineteenth century jihad movements in the West Africa: A case study of al-Hajj 'Umar al-Futi's philosophy of jihad and its sufi bases. Institute of Islamic Studies, McGill University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Jah, Omar. Sufism and the Nineteenth Century Jihad Movements in the West Africa: A Case Study of Al-Hajj 'Umar Al-Futi's Philosophy of Jihad and Its Sufi Bases. Montreal: Institute of Islamic Studies, McGill University, 1973.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Jah, Omar. Sufism and the Nineteenth Century Jihad Movements in the West Africa: A Case Study of Al-Hajj 'Umar Al-Futi's Philosophy of Jihad and Its Sufi Bases. Institute of Islamic Studies, McGill University, 1973.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.