1. Ibn Timiya. (n.d.). Al-Syasat Al-Sharia. Lahore: Dar Al-Dawat Al-Islamia, pp. 101-120.
2. Iqbal, A. (1965). The reconstruction of religious thought in Islam. London: Oxford University Press, pp. 45-67.
3. Johnstone, R. (1987). Religion and society. London: Macmillan, pp. 78-99.
4. Soltau, H. (1986). An introduction to politics. London: Longman, p. 179.
5. Muslim bin al-Hajjaj al-Qushayri al-Nisaburi. (2002). Al-Musnad al-Sahih al-Mukhtasar bin Qawl al-Adl an al-Adl ila Rasul Allah (5th ed.). Bayrut: Dar Ihya' al-Turath al-Arabi, Hadith No. 4717.