APA

Redha M., . (1999). The Third Caliph. Beirut: Dar Al - Kotob Al - Ilmiyah.

Chicago

Redha Mohammad, . 1999. The Third Caliph. Beirut: Dar Al - Kotob Al - Ilmiyah.

Harvard

Redha M., . (1999). The Third Caliph. Beirut: Dar Al - Kotob Al - Ilmiyah.

MLA

Redha Mohammad, . The Third Caliph. Beirut: Dar Al - Kotob Al - Ilmiyah. 1999.