APA

Crook M., . (2000). The Princess and the Frog. london: longman.

Chicago

Crook Marie, . 2000. The Princess and the Frog. london: longman.

Harvard

Crook M., . (2000). The Princess and the Frog. london: longman.

MLA

Crook Marie, . The Princess and the Frog. london: longman. 2000.