APA Citation

Gregorius Agung. (2009). Step by step iPhone. Jakarta: Elex Media Komputindo.

Chicago Style Citation

Gregorius Agung. Step By Step IPhone. Jakarta: Elex Media Komputindo, 2009.

MLA Citation

Gregorius Agung. Step By Step IPhone. Jakarta: Elex Media Komputindo, 2009.

Warning: These citations may not always be 100% accurate.