APA

Campbell F., Boni G., . (1999). Flight. London: Ladybird.

Chicago

Campbell Fiona, Boni Galante, . 1999. Flight. London: Ladybird.

Harvard

Campbell F., Boni G., . (1999). Flight. London: Ladybird.

MLA

Campbell Fiona, Boni Galante, . Flight. London: Ladybird. 1999.