Gaya APA

Sultan, L. (2011). Khalifah Umar Bin Abdul Aziz (cet. 1). Makassar: Alauddin Universitas Press.

Gaya MLA

Sultan, Lomba. "Khalifah Umar Bin Abdul Aziz". cet. 1 Makassar: Alauddin Universitas Press, 2011. Text.