Gaya APA

Soon-Bong, H., Jong-Kwan, P. (2010). Why? environment: lingkungan (Cet.1). Jakarta: Elex Media Komputindo.

Gaya MLA

Soon-Bong, Heo., Jong-Kwan, Park. "Why? environment: lingkungan". Cet.1 Jakarta: Elex Media Komputindo, 2010. Text.