Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.