Gaya APA

Putra, H., Putra, H. (2018). Goodbye you (CET.1). Depok, Jawa Barat: Coconut Books.

Gaya MLA

Putra, Hendra., Putra, Heri. "Goodbye you". CET.1 Depok, Jawa Barat: Coconut Books, 2018. Text.