Gaya APA
Cho, Young sun. (2010).
Why? Happy science 2 (1).
Jakarta:
Elex Media Komputindo.
Gaya Chicago
Cho, Young sun.
Why? Happy science 2.
1
Jakarta:
Elex Media Komputindo,
2010.
Text.
Gaya MLA
Cho, Young sun.
Why? Happy science 2.
1
Jakarta:
Elex Media Komputindo,
2010.
Text.
Gaya Turabian
Cho, Young sun.
Why? Happy science 2.
1
Jakarta:
Elex Media Komputindo,
2010.
Print.