APA ציטוט

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

Trích dẫn kiểu Chicago

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

ציטוט MLA

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