APA Style
Jeong, Y, C. et al (2010).
Why? mikroorganisme = microorganism .
Jakarta, Indonesia:
PT Elex Media Komputindo.
MLA Style
Jeong, Yoon, Chul. et al.
"Why? mikroorganisme = microorganism".
Jakarta, Indonesia:
PT Elex Media Komputindo,
2010.
Text.