APA

Potter، Beatrix, .The tale of Jemima Puddle- Duck. London: ladybird.

Chicago

Potter، Beatrix, .The tale of Jemima Puddle- Duck. London: ladybird.

Harvard

Potter، Beatrix, .The tale of Jemima Puddle- Duck. London: ladybird.

MLA

Potter، Beatrix, .London: ladybird. .