APA引文

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

Trích dẫn kiểu Chicago

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

MLA引文

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

警告：这些引文格式不一定是100％准确.