APA Style

Youngseun, C., Youngho, L. (2014). Why? World Heritage = Warisan Dunia (Cet. 1). Jakarta: Elex Media Komputindo.

MLA Style

Youngseun, Cho., Youngho, Lee. "Why? World Heritage = Warisan Dunia". Cet. 1 Jakarta: Elex Media Komputindo, 2014. Text.