Gaya APA
Mansur, U.
(2012).
The secret of a happy life
(
cet.1)
.
Jakarta Timur:
Zikrul Hakim.
Gaya MLA
Mansur, Ust.Yusuf.
"The secret of a happy life".
cet.1
Jakarta Timur:
Zikrul Hakim,
2012.
Text.