Gaya APA
Park, Sang-Wook. (2009).
Why? Happy math 2 .
Jakarta:
Elex Media Komputindo.
Gaya Chicago
Park, Sang-Wook.
Why? Happy math 2.
Jakarta:
Elex Media Komputindo,
2009.
Text.
Gaya MLA
Park, Sang-Wook.
Why? Happy math 2.
Jakarta:
Elex Media Komputindo,
2009.
Text.
Gaya Turabian
Park, Sang-Wook.
Why? Happy math 2.
Jakarta:
Elex Media Komputindo,
2009.
Print.