Gaya APA
Ali, M, M.
(2007).
The Early Caliphate, Khulafa ur Rasyidin
.
JAKARTA:
Darul Kutubil Islamiyah.
Gaya MLA
Ali, Maulana, Muhammad.
"The Early Caliphate, Khulafa ur Rasyidin".
JAKARTA:
Darul Kutubil Islamiyah,
2007.
Text.