Gaya APA

PARK, M., Novianti, E, N. (2018). WHY? People : Bill Gates . Jakarta: PT Elex Media Komputindo.

Gaya MLA

PARK, Minjung., Novianti, Endah, Nawang. "WHY? People : Bill Gates". Jakarta: PT Elex Media Komputindo, 2018. Text.