Gaya APA
Sharp, Timothy J.. (2009).
I'm Happy .
Jakarta:
Raih Asa Sukses.
Gaya Chicago
Sharp, Timothy J..
I'm Happy.
Jakarta:
Raih Asa Sukses,
2009.
Text.
Gaya MLA
Sharp, Timothy J..
I'm Happy.
Jakarta:
Raih Asa Sukses,
2009.
Text.
Gaya Turabian
Sharp, Timothy J..
I'm Happy.
Jakarta:
Raih Asa Sukses,
2009.
Print.