Ur, P. (1992). Discussions that work task centred fluency practice. New York: Cambridge university press.
Style de citation ChicagoUr, Penny. Discussions That Work Task Centred Fluency Practice. New York: Cambridge university press, 1992.
Style de citation MLAUr, Penny. Discussions That Work Task Centred Fluency Practice. New York: Cambridge university press, 1992.
Attention : ces citations peuvent ne pas être correctes à 100%.