Gaya APA
Diwany. (2003).
The problem with interest .
Jakarta:
Akbar.
Gaya Chicago
Diwany.
The problem with interest.
Jakarta:
Akbar,
2003.
Text.
Gaya MLA
Diwany.
The problem with interest.
Jakarta:
Akbar,
2003.
Text.
Gaya Turabian
Diwany.
The problem with interest.
Jakarta:
Akbar,
2003.
Print.