Gaya APA
Happiness Inside. (2012).
Jakarta:
Noura Books.
Gaya Chicago
Happiness Inside.
.
Jakarta:
Noura Books,
2012.
Text.
Gaya MLA
Happiness Inside.
.
Jakarta:
Noura Books,
2012.
Text.
Gaya Turabian
Happiness Inside.
Jakarta:
Noura Books,
2012.
Print.