Gaya APA

Cowell, C. (2005). How To Train Your Dragon (Book 3): How To Speak Dragonese . New York, USA: Hachette Book Group.

Gaya MLA

Cowell, Cressida. "How To Train Your Dragon (Book 3): How To Speak Dragonese". New York, USA: Hachette Book Group, 2005. Text.