Gaya APA

Bong, H, S., Wildana, I. (2010). Why? Microorganism = Mikroorganisme . Jakarta: PT Elex Media Komputindo.

Gaya MLA

Bong, Heo, Soon., Wildana, Iwan. "Why? Microorganism = Mikroorganisme". Jakarta: PT Elex Media Komputindo, 2010. Text.