Gaya APA

Novianti, E, N., Saejoon, P. (2014). Why? : World Customs = Adat Istiadat . Jakarta: Elex media Komputindo.

Gaya MLA

Novianti, Endah, Nawang., Saejoon, Park. "Why? : World Customs = Adat Istiadat". Jakarta: Elex media Komputindo, 2014. Text.