Gaya APA
Park, Sang-Wook. (2009).
Why ? Happy Math 2 .
Jakarta:
PT elex media komputindo.
Gaya Chicago
Park, Sang-Wook.
Why ? Happy Math 2.
Jakarta:
PT elex media komputindo,
2009.
Buku.
Gaya MLA
Park, Sang-Wook.
Why ? Happy Math 2.
Jakarta:
PT elex media komputindo,
2009.
Buku.
Gaya Turabian
Park, Sang-Wook.
Why ? Happy Math 2.
Jakarta:
PT elex media komputindo,
2009.
Buku.