Gaya APA
Park, Sang wook. (2010).
Why? ;Happy Math 4 .
jakarta:
PT Elex Media Komputindo.
Gaya Chicago
Park, Sang wook.
Why? ;Happy Math 4.
jakarta:
PT Elex Media Komputindo,
2010.
Text.
Gaya MLA
Park, Sang wook.
Why? ;Happy Math 4.
jakarta:
PT Elex Media Komputindo,
2010.
Text.
Gaya Turabian
Park, Sang wook.
Why? ;Happy Math 4.
jakarta:
PT Elex Media Komputindo,
2010.
Print.