Ur, P. (1996). Grammar practice activities: A practical guide for teachers. Cambridge University Press.
Chicagoスタイル(17版)引用形式Ur, Penny. Grammar Practice Activities: A Practical Guide for Teachers. Cambridge ; New York: Cambridge University Press, 1996.
MLA(8版)引用形式Ur, Penny. Grammar Practice Activities: A Practical Guide for Teachers. Cambridge University Press, 1996.
警告: この引用は必ずしも正確ではありません.