Gaya APA
agung, Gregorius. (2009).
Step by Step iPhone .
Jakarta:
PT Elex Media Komputindo.
Gaya Chicago
agung, Gregorius.
Step by Step iPhone.
Jakarta:
PT Elex Media Komputindo,
2009.
Text.
Gaya MLA
agung, Gregorius.
Step by Step iPhone.
Jakarta:
PT Elex Media Komputindo,
2009.
Text.
Gaya Turabian
agung, Gregorius.
Step by Step iPhone.
Jakarta:
PT Elex Media Komputindo,
2009.
Print.