APA Style
Cho, Y.
(2010).
Why? Happy science 2
(
Jil.2)
.
Jakarta:
PT Elex Media Komputindo.
MLA Style
Cho, Young-Seon.
"Why? Happy science 2".
Jil.2
Jakarta:
PT Elex Media Komputindo,
2010.
Buku SMP Athalia.