APA Style

Heo, Soon-Bong. (2011). Why?: Mikroorganisme (Microorganism) . Jakarta: PT Elex Media Komputindo.

Chicago Style

Heo, Soon-Bong. Why?: Mikroorganisme (Microorganism). Jakarta: PT Elex Media Komputindo, 2011. Text.

MLA Style

Heo, Soon-Bong. Why?: Mikroorganisme (Microorganism). Jakarta: PT Elex Media Komputindo, 2011. Text.

Turabian Style

Heo, Soon-Bong. Why?: Mikroorganisme (Microorganism). Jakarta: PT Elex Media Komputindo, 2011. Print.