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