Gaya APA
Heo, Soon - Bong. (2010).
Why ? Environment ( lingkungan ) .
Jakarta:
PT Elex Media Komputindo.
Gaya Chicago
Heo, Soon - Bong.
Why ? Environment ( lingkungan ).
Jakarta:
PT Elex Media Komputindo,
2010.
Text.
Gaya MLA
Heo, Soon - Bong.
Why ? Environment ( lingkungan ).
Jakarta:
PT Elex Media Komputindo,
2010.
Text.
Gaya Turabian
Heo, Soon - Bong.
Why ? Environment ( lingkungan ).
Jakarta:
PT Elex Media Komputindo,
2010.
Print.