Gaya APA

Djajengminardo, G., Utami, P. (2016). I am Hope (Cet. 1). Jakarta: Kurniaesa Publishing.

Gaya MLA

Djajengminardo, Gayatri., Utami, Puji. "I am Hope". Cet. 1 Jakarta: Kurniaesa Publishing, 2016. Text.