APA Style
Muhammad, Quthb Ibrahim. (2002).
Kebijakan ekonomi umar bin khaththab .
Jakarta:
Pustaka Azzan.
Chicago Style
Muhammad, Quthb Ibrahim.
Kebijakan ekonomi umar bin khaththab.
Jakarta:
Pustaka Azzan,
2002.
Buku.
MLA Style
Muhammad, Quthb Ibrahim.
Kebijakan ekonomi umar bin khaththab.
Jakarta:
Pustaka Azzan,
2002.
Buku.
Turabian Style
Muhammad, Quthb Ibrahim.
Kebijakan ekonomi umar bin khaththab.
Jakarta:
Pustaka Azzan,
2002.
Buku.