Gaya APA

Books, L., Didierjean, M. (2013). The princess and the pea : Read it yourself with Ladybird level 1 (Jil. 1). London: Ladybird Books Ltd.

Gaya MLA

Books, Ladybird., Didierjean, Marie-Anne. "The princess and the pea : Read it yourself with Ladybird level 1". Jil. 1 London: Ladybird Books Ltd, 2013. Text.