Gaya APA

Radford, S., Eddy, F, F, A, D, M, H. (2007). Penelope and The Monsters . Jakarta: Erlangga For Kids.

Gaya MLA

Radford, Sheri., Eddy, Fita, F., Agriningrum, Dan, Margaretha, Hutauruk. "Penelope and The Monsters". Jakarta: Erlangga For Kids, 2007. Book.