Gaya APA
Heo, Soon-Bong, Irene Christin. (2010).
Why? Enviroment : Lingkungan .
Hoboken, NJ:
PT Elex Media Komputindo.
Gaya Chicago
Heo, Soon-Bong, Irene Christin.
Why? Enviroment : Lingkungan.
Hoboken, NJ:
PT Elex Media Komputindo,
2010.
Text.
Gaya MLA
Heo, Soon-Bong, Irene Christin.
Why? Enviroment : Lingkungan.
Hoboken, NJ:
PT Elex Media Komputindo,
2010.
Text.
Gaya Turabian
Heo, Soon-Bong, Irene Christin.
Why? Enviroment : Lingkungan.
Hoboken, NJ:
PT Elex Media Komputindo,
2010.
Print.