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