Style de citation APA (7e éd.)

Ireland S. Sue & Kosta J. Joanna. (2010). KET for Schools Direct: Studient's Book. Cambridge, Cambridge University Press, 2010.

Style de citation Chicago (17e éd.)

Ireland S. Sue et Kosta J. Joanna. KET for Schools Direct: Studient's Book. Cambridge, Cambridge University Press, 2010, 2010.

Style de citation MLA (9e éd.)

Ireland S. Sue et Kosta J. Joanna. KET for Schools Direct: Studient's Book. Cambridge, Cambridge University Press, 2010, 2010.