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