Gaya APA

Gi-Myoung, E, N, N. (2011). Why? : Experiment & Observation = Percobaan dan Pengamatan (Cet .1). Jakarta: Elex Media Computindo.

Gaya MLA

Gi-Myoung, Endah, Nawang, NoviantiKim. "Why? : Experiment & Observation = Percobaan dan Pengamatan". Cet .1 Jakarta: Elex Media Computindo, 2011. Text.