APA aipamena

Ur, P. (1981). Discussions that work. Cambridge University Press.

Chicago Style aipamena

Ur, Penny. Discussions That Work. Cambridge: Cambridge University Press, 1981.

MLA aipamena

Ur, Penny. Discussions That Work. Cambridge University Press, 1981.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.