Gaya APA

Choi, Hyorim, Endah Nawang Novianti. (2018). Why? People : Jack Ma (Cet. 1.--). Jakarta: Elex Media Komputindo.

Gaya Chicago

Choi, Hyorim, Endah Nawang Novianti. Why? People : Jack Ma. Cet. 1.-- Jakarta: Elex Media Komputindo, 2018. Text.

Gaya MLA

Choi, Hyorim, Endah Nawang Novianti. Why? People : Jack Ma. Cet. 1.-- Jakarta: Elex Media Komputindo, 2018. Text.

Gaya Turabian

Choi, Hyorim, Endah Nawang Novianti. Why? People : Jack Ma. Cet. 1.-- Jakarta: Elex Media Komputindo, 2018. Print.