APA(7版)引用形式
Ur, P. (1988). Grammar practice activities: A practical guide for teachers. CUP.
Chicagoスタイル(17版)引用形式
Ur, Penny. Grammar Practice Activities: A Practical Guide for Teachers. Cambridge: CUP, 1988.
MLA(9版)引用形式
Ur, Penny. Grammar Practice Activities: A Practical Guide for Teachers. CUP, 1988.
警告: この引用は必ずしも正確ではありません.