Gaya APA

Cowell, C. (2007). How To Train Your Dragon (Book 5): How To Twist a Dragon's Tale . New York, USA: Hachette Book Group.

Gaya MLA

Cowell, Cressida. "How To Train Your Dragon (Book 5): How To Twist a Dragon's Tale". New York, USA: Hachette Book Group, 2007. Text.