1. Abdul-Wahhab, M. (1997). Mokhtasar Sirat Al-Rasoul Sallah Allahu Alaihi wa Sallam, [Summary of the Sirah of the Messenger Peace Be Upon Him]. Damascus: Dar Al-Fayha.
2. Adlouni, M.A. and Sweidan, T.M. (2000). Al-Qiyadah fi Al-Qarn Al-Ishreen, [Leadership in the Twenty First Century]. Riyad: Qurtobah Lil-Intaj Al-Fanni.
3. Al-Baihaqi, Al-Baihaqi, A.B. A. (n.d.). Al-Sunan Al-Kubra. Beirut: Dar Al-Fikr.
4. Ali, A.Y. (1985). The Holy Qur’an, English Translation of the Meanings and Commentary. Al-Madinah al-Munawwarah: King Fahd Complex for the Printing of the Holy Qur’an.
5. Al-Nahwi, A.A. R. (1999). Fiqh Al-Idara Al-Imaniyyah fi Al-Da’wah Al-Islamiyyah, [Faithful Administration in the Islamic Da’wah]. Riyadh: Dar Al-Nahwi Lil-Nashr wa Al-Tawzi’.