APA Style
Cowell, C. (2019).
Petualangan Si Kembar Treetop Si Kembar Bertemu Mesospondilus .
London:
Hodder Childrens Book.
MLA Style
Cowell, Cressida.
"Petualangan Si Kembar Treetop Si Kembar Bertemu Mesospondilus".
London:
Hodder Childrens Book,
2019.
Text.