Gaya APA
Randall, R., Geyer, K. (2013).
Rex the big dinosaur : Read it yourself with Ladybird level 1 (Jil. 1).
London:
Ladybird Books Ltd.
Gaya MLA
Randall, Ronne., Geyer, Kim.
"Rex the big dinosaur : Read it yourself with Ladybird level 1".
Jil. 1
London:
Ladybird Books Ltd,
2013.
Text.