Gaya APA

Ritchie, A. (2008). It's Time To Sleep, You Grazy Sheep : Waktunya Tidur, Domba Nakal (Cet.1). Jakarta: Erlangga For Kids.

Gaya MLA

Ritchie, Alison. "It's Time To Sleep, You Grazy Sheep : Waktunya Tidur, Domba Nakal". Cet.1 Jakarta: Erlangga For Kids, 2008. Text.