Gaya APA

Ritchie, A. et al (2008). It's Time to Sleep, You Crazy Sheep! : Waktunya Tidur, Domba Nakal! . Jakarta: Erlangga For Kids.

Gaya MLA

Ritchie, Alison. et al. "It's Time to Sleep, You Crazy Sheep! : Waktunya Tidur, Domba Nakal!". Jakarta: Erlangga For Kids, 2008. Book.