APA Style

PENNY, Ur.. (1981). Discussions That Work: Task-Centred Fluency Practice . New York: Cambridge University Press.

Chicago Style

PENNY, Ur.. Discussions That Work: Task-Centred Fluency Practice. New York: Cambridge University Press, 1981. Text.

MLA Style

PENNY, Ur.. Discussions That Work: Task-Centred Fluency Practice. New York: Cambridge University Press, 1981. Text.

Turabian Style

PENNY, Ur.. Discussions That Work: Task-Centred Fluency Practice. New York: Cambridge University Press, 1981. Print.