Gaya APA
Dunbar, J., Hopgood, T.
(2013).
Twinkle, Twinkle Squiglet Pig
.
London:
Egmont Press.
Gaya MLA
Dunbar, Joyce., Hopgood, Tim.
"Twinkle, Twinkle Squiglet Pig".
London:
Egmont Press,
2013.
Text.