Gaya APA
heo, soon-bong. (2010).
why? Lingkungan (cet. 1).
JAKARTA:
pt. elexmedia coputindo.
Gaya Chicago
heo, soon-bong.
why? Lingkungan.
cet. 1
JAKARTA:
pt. elexmedia coputindo,
2010.
Text.
Gaya MLA
heo, soon-bong.
why? Lingkungan.
cet. 1
JAKARTA:
pt. elexmedia coputindo,
2010.
Text.
Gaya Turabian
heo, soon-bong.
why? Lingkungan.
cet. 1
JAKARTA:
pt. elexmedia coputindo,
2010.
Print.