Asad, M. (1961). The principles of state and government in Islam. University of California Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Asad, Muhammad. The Principles of State and Government in Islam. Berkeley: University of California Press, 1961.
Παραπομπή σε μορφή MLA (9th εκδ.)Asad, Muhammad. The Principles of State and Government in Islam. University of California Press, 1961.