Gaya APA
young-sun,cho, ., sudiyono, B. (2010).
why? happy science series vol. 01 (cetakan 1).
jakarta:
PT Elek Media Komputindo.
Gaya MLA
young-sun,cho, ., sudiyono, Bambang.
"why? happy science series vol. 01".
cetakan 1
jakarta:
PT Elek Media Komputindo,
2010.
Text.