Gaya APA

Wiranegara, C. (2019). The great of positive thinking ; 317 kutipan berpikir positif . Yogyakarta: Millenial Readers.

Gaya MLA

Wiranegara, Chibita. "The great of positive thinking ; 317 kutipan berpikir positif". Yogyakarta: Millenial Readers, 2019. Text.