Duckworth, M. (2006). Essential business grammar and practice. Oxford: Oxford University Press.
シカゴスタイル引用形Duckworth, Michael. Essential Business Grammar and Practice. Oxford: Oxford University Press, 2006.
MLA引用形式Duckworth, Michael. Essential Business Grammar and Practice. Oxford: Oxford University Press, 2006.
警告: この引用は必ずしも正確ではありません.