APA Citation

Cho, Y. (2011). Why? Sains Masa Depan. Elex Media Komputindo.

Chicago Style Citation

Cho, Young-Seon. Why? Sains Masa Depan. Elex Media Komputindo, 2011.

MLA Citation

Cho, Young-Seon. Why? Sains Masa Depan. Elex Media Komputindo, 2011.

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