APA aipamena

Ur, P. (1988). Grammar practice activities: A practical guide for teacher. Britain: Cambridge University Press.

Chicago Style aipamena

Ur, Penny. Grammar Practice Activities: A Practical Guide for Teacher. Britain: Cambridge University Press, 1988.

MLA aipamena

Ur, Penny. Grammar Practice Activities: A Practical Guide for Teacher. Britain: Cambridge University Press, 1988.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.