Trích dẫn APA

Penny Ur. (2013). Grammar Practice Activities: A practical guide for teacher. Anh: Cambridge University.

Trích dẫn kiểu Chicago

Penny Ur. Grammar Practice Activities: A Practical Guide for Teacher. Anh: Cambridge University, 2013.

MLA Trích dẫn

Penny Ur. Grammar Practice Activities: A Practical Guide for Teacher. Anh: Cambridge University, 2013.

Warning: These citations may not always be 100% accurate.