Gaya APA
ash-shalabi, A, M.
(2008).
The Great Leader of Umar Bin Al-Khatab
.
Jakarta:
Pustaka Al-Kautsar.
Gaya MLA
ash-shalabi, Ali, Muhammad.
"The Great Leader of Umar Bin Al-Khatab".
Jakarta:
Pustaka Al-Kautsar,
2008.
Text.