Gaya APA

Lim, G, Y, Y., Kim, J. (2017). Why? United Kingdom . Jakarta: PT. Elex Media Komputindo.

Gaya MLA

Lim, Giyeong, Yoo,, Yeongje., Kim, Jeongli. "Why? United Kingdom". Jakarta: PT. Elex Media Komputindo, 2017. Text.