APA-ийн эшлэл(7 дахь хэвлэлт)

Ur, P. (2009). Grammar practice activities: A practical guide for teachers (Second edition.). Cambridge University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Ur, Penny. Grammar Practice Activities: A Practical Guide for Teachers. Second edition. Cambridge: Cambridge University Press, 2009.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Ur, Penny. Grammar Practice Activities: A Practical Guide for Teachers. Second edition. Cambridge University Press, 2009.