APA Citation

Heo, S. B., Kim, K., & Morin Tanang. (2010). Why?: Happy science 5. Jakarta: Elex Media Komputindo.

Chicago Style Citation

Heo, Soon Bong, Kang-Ho Kim, and Morin Tanang. Why?: Happy Science 5. Jakarta: Elex Media Komputindo, 2010.

MLA Citation

Heo, Soon Bong, Kang-Ho Kim, and Morin Tanang. Why?: Happy Science 5. Jakarta: Elex Media Komputindo, 2010.

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