Gardner, B., & Gardner, F. (2000). Classroom english (First edition.). Oxford University Press.
Chicagoスタイル(17版)引用形式Gardner, Bryan, , Felicity Gardner. Classroom English. First edition. Oxford: Oxford University Press, 2000.
MLA(9版)引用形式Gardner, Bryan, , Felicity Gardner. Classroom English. First edition. Oxford University Press, 2000.
警告: この引用は必ずしも正確ではありません.