Gaya APA

Och, ., Eddie, . (2007). Lift The Flaps Book : Peek a Boo! in The Ocean . Jakarta: Gramedia Pustaka Utama.

Gaya MLA

Och, ., Eddie, . "Lift The Flaps Book : Peek a Boo! in The Ocean". Jakarta: Gramedia Pustaka Utama, 2007. Book.