Gaya APA
Mansur, Ust. Yusuf. (2012).
The Secret Happy Life .
Jakarta:
Zikrul Hakim.
Gaya Chicago
Mansur, Ust. Yusuf.
The Secret Happy Life.
Jakarta:
Zikrul Hakim,
2012.
Text.
Gaya MLA
Mansur, Ust. Yusuf.
The Secret Happy Life.
Jakarta:
Zikrul Hakim,
2012.
Text.
Gaya Turabian
Mansur, Ust. Yusuf.
The Secret Happy Life.
Jakarta:
Zikrul Hakim,
2012.
Print.