Gaya APA
Cho, Young-Seon. (2010).
WHY? Information Technology .
jakarta:
PT Elex Media Komputindo.
Gaya Chicago
Cho, Young-Seon.
WHY? Information Technology.
jakarta:
PT Elex Media Komputindo,
2010.
Text.
Gaya MLA
Cho, Young-Seon.
WHY? Information Technology.
jakarta:
PT Elex Media Komputindo,
2010.
Text.
Gaya Turabian
Cho, Young-Seon.
WHY? Information Technology.
jakarta:
PT Elex Media Komputindo,
2010.
Print.