Gaya APA

Ahn, Yeongju. (2016). Why? world history country : russia (-). Jakarta: PT Elex Media Komputindo.

Gaya Chicago

Ahn, Yeongju. Why? world history country : russia. - Jakarta: PT Elex Media Komputindo, 2016. Text.

Gaya MLA

Ahn, Yeongju. Why? world history country : russia. - Jakarta: PT Elex Media Komputindo, 2016. Text.

Gaya Turabian

Ahn, Yeongju. Why? world history country : russia. - Jakarta: PT Elex Media Komputindo, 2016. Print.