Oxenden, C. (1998). English file: Workbook. Oxford: Oxford University Press.
シカゴスタイル引用形Oxenden, Clive. English File: Workbook. Oxford: Oxford University Press, 1998.
MLA引用形式Oxenden, Clive. English File: Workbook. Oxford: Oxford University Press, 1998.
警告: この引用は必ずしも正確ではありません.