APA (7e ed.) Bronvermelding

Ur, P. (1981). Discussions that work: Task-centred fluency practice. Cambridge University Press.

Chicago (17e ed.) Bronvermelding

Ur, Penny. Discussions That Work: Task-centred Fluency Practice. Cambridge ; New York: Cambridge University Press, 1981.

MLA (8e ed.) Bronvermelding

Ur, Penny. Discussions That Work: Task-centred Fluency Practice. Cambridge University Press, 1981.

Let op: Deze citaties zijn niet altijd 100% accuraat.