APA Style
Heo, Soon-Bong. (2010).
WHY? Lingkungan (Environment) .
Jakarta:
Elex media komputindo.
Chicago Style
Heo, Soon-Bong.
WHY? Lingkungan (Environment).
Jakarta:
Elex media komputindo,
2010.
Text.
MLA Style
Heo, Soon-Bong.
WHY? Lingkungan (Environment).
Jakarta:
Elex media komputindo,
2010.
Text.
Turabian Style
Heo, Soon-Bong.
WHY? Lingkungan (Environment).
Jakarta:
Elex media komputindo,
2010.
Print.