Gardner, B. (2000). Oxford basic: Classroom English. Oxford: Oxford University Press.
シカゴスタイル引用形Gardner, Brian. Oxford Basic: Classroom English. Oxford: Oxford University Press, 2000.
MLA引用形式Gardner, Brian. Oxford Basic: Classroom English. Oxford: Oxford University Press, 2000.
警告: この引用は必ずしも正確ではありません.