Gaya APA

Radford, S., Tripp, C. (2005). Penelope And The Humongous Burp (Cet, 1). Jakarta: ERLANGGA.

Gaya MLA

Radford, Sheri., Tripp, Christine. "Penelope And The Humongous Burp". Cet, 1 Jakarta: ERLANGGA, 2005. Text.