APA Citation

Wook, P. S. (2011). Why? Peristiwa Sains. PT. Elex Media Komputindo.

Chicago Style Citation

Wook, Park Sang. Why? Peristiwa Sains. PT. Elex Media Komputindo, 2011.

MLA Citation

Wook, Park Sang. Why? Peristiwa Sains. PT. Elex Media Komputindo, 2011.

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