Ur, & Thornbury. (2009). Grammar practice activities [: A practical guide for teachers (2nd ed.). Cambridge ; New York: Cambridge University Press.
Chicago Style CitationUr, and Thornbury. Grammar Practice Activities [: A Practical Guide for Teachers. 2nd ed. Cambridge ; New York: Cambridge University Press, 2009.
MLA CitationUr, and Thornbury. Grammar Practice Activities [: A Practical Guide for Teachers. 2nd ed. Cambridge ; New York: Cambridge University Press, 2009.
Warning: These citations may not always be 100% accurate.