Gaya APA
Heo, Soon Bong. (2009).
Why? life science .
Jakarta:
Elek Media Komputindo.
Gaya Chicago
Heo, Soon Bong.
Why? life science.
Jakarta:
Elek Media Komputindo,
2009.
Text.
Gaya MLA
Heo, Soon Bong.
Why? life science.
Jakarta:
Elek Media Komputindo,
2009.
Text.
Gaya Turabian
Heo, Soon Bong.
Why? life science.
Jakarta:
Elek Media Komputindo,
2009.
Print.