APA Style

HEO, Soon-Bong, Irene Christin. (2010). Why?lingkungan (-). Jakarta: Elex Media Komputindo.

Chicago Style

HEO, Soon-Bong, Irene Christin. Why?lingkungan. - Jakarta: Elex Media Komputindo, 2010. .

MLA Style

HEO, Soon-Bong, Irene Christin. Why?lingkungan. - Jakarta: Elex Media Komputindo, 2010. .

Turabian Style

HEO, Soon-Bong, Irene Christin. Why?lingkungan. - Jakarta: Elex Media Komputindo, 2010. .