Gaya APA
Riana, Deny. (2008).
99 Ideas fo Happy teens .
Bandung:
Zip Books.
Gaya Chicago
Riana, Deny.
99 Ideas fo Happy teens.
Bandung:
Zip Books,
2008.
Text.
Gaya MLA
Riana, Deny.
99 Ideas fo Happy teens.
Bandung:
Zip Books,
2008.
Text.
Gaya Turabian
Riana, Deny.
99 Ideas fo Happy teens.
Bandung:
Zip Books,
2008.
Print.