Gaya APA
Turnbull, S., Guille, R. (2019).
Usborne Beginners :Caterpillar and Butterflies .
London:
Usborne Publishing.
Gaya MLA
Turnbull, Stephanie., Guille, Rosanne.
"Usborne Beginners :Caterpillar and Butterflies".
London:
Usborne Publishing,
2019.
Text.