Gaya APA

Firdaus, Y, S. (-). Aku Bisa Bangun Pagi ( i could wake up in the morning ) (-). Jakarta: yudhistira.

Gaya MLA

Firdaus, Yenny, S.. "Aku Bisa Bangun Pagi ( i could wake up in the morning )". - Jakarta: yudhistira, -. Text.