Cotton, D. (2005). Market leader: Upper-Intermediate business English: Course book. England: Longman.
シカゴスタイル引用形Cotton, David. Market Leader: Upper-Intermediate Business English: Course Book. England: Longman, 2005.
MLA引用形式Cotton, David. Market Leader: Upper-Intermediate Business English: Course Book. England: Longman, 2005.
警告: この引用は必ずしも正確ではありません.