Lee, W. R. (2008). Language teaching games and contests (Second revised edition.). Oxford University Press.
Chicago-viite (17. p.)Lee, William Rowland. Language Teaching Games and Contests. Second revised edition. Oxford ; New York: Oxford University Press, 2008.
MLA-viite (8. p.)Lee, William Rowland. Language Teaching Games and Contests. Second revised edition. Oxford University Press, 2008.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.