Gaya APA

Heo, Soon-Bong. (2007). Why? Mikroorganisme . Korea: PT Elex Media Komputindo.

Gaya Chicago

Heo, Soon-Bong. Why? Mikroorganisme. Korea: PT Elex Media Komputindo, 2007. Text.

Gaya MLA

Heo, Soon-Bong. Why? Mikroorganisme. Korea: PT Elex Media Komputindo, 2007. Text.

Gaya Turabian

Heo, Soon-Bong. Why? Mikroorganisme. Korea: PT Elex Media Komputindo, 2007. Print.