Gaya APA

Duckworth, A., Ilyas, F. (2023). Grit : kekuatan passion & kegigihan = Grit: the power of passion and perserverance (Cet.14). Jakarta: Gramedia Pustaka Utama.

Gaya MLA

Duckworth, Angela., Ilyas, Fairano. "Grit : kekuatan passion & kegigihan = Grit: the power of passion and perserverance". Cet.14 Jakarta: Gramedia Pustaka Utama, 2023. TEXT.