Gaya APA

PARK, S, W. (2011). WHY ? SCIENTIFIC EVENTS (PERISTIWA SAINS) . : PT ELEX MEDIA KOMPUTINDO.

Gaya MLA

PARK, SANG, WOOK. "WHY ? SCIENTIFIC EVENTS (PERISTIWA SAINS)". : PT ELEX MEDIA KOMPUTINDO, 2011. Text.