Ur, P. (1991). Discussions that work: Task-centered fluency practice. Press Syndicate of the University of Cambridge.
Style de citation Chicago (17e éd.)Ur, Penny. Discussions That Work: Task-centered Fluency Practice. Cambridge: Press Syndicate of the University of Cambridge, 1991.
Style de citation MLA (9e éd.)Ur, Penny. Discussions That Work: Task-centered Fluency Practice. Press Syndicate of the University of Cambridge, 1991.
Attention : ces citations peuvent ne pas être correctes à 100%.