Gaya APA
Mangkulo, Hengky Alexander. (2010).
Yahoo! Mobile .
Jakarta:
Elex Media Komputindo.
Gaya Chicago
Mangkulo, Hengky Alexander.
Yahoo! Mobile.
Jakarta:
Elex Media Komputindo,
2010.
Text.
Gaya MLA
Mangkulo, Hengky Alexander.
Yahoo! Mobile.
Jakarta:
Elex Media Komputindo,
2010.
Text.
Gaya Turabian
Mangkulo, Hengky Alexander.
Yahoo! Mobile.
Jakarta:
Elex Media Komputindo,
2010.
Print.