APA Style
Sang-Wook, P.
(2010).
Why? Happy Math 3
(
Edisi 1)
.
Jakarta:
PT Elex Media Komputindo.
MLA Style
Sang-Wook, Park.
"Why? Happy Math 3".
Edisi 1
Jakarta:
PT Elex Media Komputindo,
2010.
Textbook.