Gaya APA

London, J. (2019). E-BOOK The-Call-of-the-Wild . JAKRTAA: PT. Gramedia Pustaka Utama., 2019.

Gaya MLA

London, Jack. "E-BOOK The-Call-of-the-Wild". JAKRTAA: PT. Gramedia Pustaka Utama., 2019, 2019. Text.