Gaya APA

Wiadji, K, E., Effendi, J. (2017). Peony's world (Cet. 1). : Bhuana Sastra.

Gaya MLA

Wiadji, Kezia, Evi., Effendi, Jia. "Peony's world". Cet. 1 : Bhuana Sastra, 2017. Text.