APA

allyn، virginia, . (2019). The Three Little Pigs. London: Ladybird Books.

Chicago

allyn، virginia, . 2019. The Three Little Pigs. London: Ladybird Books.

Harvard

allyn، virginia, . (2019). The Three Little Pigs. London: Ladybird Books.

MLA

allyn، virginia, . The Three Little Pigs. London: Ladybird Books. 2019.