Gaya APA
Haekal, Muhammad Husain, Audah, Ali. (2007).
Umar bin Khattab .
Bogor:
PT. Pustaka Litera AntarNusa.
Gaya Chicago
Haekal, Muhammad Husain, Audah, Ali.
Umar bin Khattab.
Bogor:
PT. Pustaka Litera AntarNusa,
2007.
Text.
Gaya MLA
Haekal, Muhammad Husain, Audah, Ali.
Umar bin Khattab.
Bogor:
PT. Pustaka Litera AntarNusa,
2007.
Text.
Gaya Turabian
Haekal, Muhammad Husain, Audah, Ali.
Umar bin Khattab.
Bogor:
PT. Pustaka Litera AntarNusa,
2007.
Print.