APA-viite (7. p.)

Ur, P. (1996). Grammar practice activities: A practical guide for teachers. Cambridge University Press.

Chicago-viite (17. p.)

Ur, Penny. Grammar Practice Activities: A Practical Guide for Teachers. Cambridge ; New York: Cambridge University Press, 1996.

MLA-viite (8. p.)

Ur, Penny. Grammar Practice Activities: A Practical Guide for Teachers. Cambridge University Press, 1996.