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.

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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.