APA Citation

HEO Soon-Bong, & IRENE Christine. (2010). Why? Lingkungan. Jakarta: Elex Media Komputindo.

Chicago Style Citation

HEO Soon-Bong, and IRENE Christine. Why? Lingkungan. Jakarta: Elex Media Komputindo, 2010.

MLA Citation

HEO Soon-Bong, and IRENE Christine. Why? Lingkungan. Jakarta: Elex Media Komputindo, 2010.

Warning: These citations may not always be 100% accurate.