Gutjahr, L. (2009). English for sales and purchasing. Oxford University Press.
シカゴスタイル引用形Gutjahr, Lothanr. English for Sales and Purchasing. Oxford University Press, 2009.
MLA引用形式Gutjahr, Lothanr. English for Sales and Purchasing. Oxford University Press, 2009.
警告: この引用は必ずしも正確ではありません.