APA Style
Ash-Shallabi, D, A, M.
(2010).
Umar Bin Abdul Aziz
.
Jakarta:
Pustaka Al-Kautsar.
MLA Style
Ash-Shallabi, Dr., Ali, Muhammad.
"Umar Bin Abdul Aziz".
Jakarta:
Pustaka Al-Kautsar,
2010.
Reference.