Jane Singleton. (1999). Business listening and speaking (Intermediate). Essex, UK: Longman.
シカゴスタイル引用形Jane Singleton. Business Listening and Speaking (Intermediate). Essex, UK: Longman, 1999.
MLA引用形式Jane Singleton. Business Listening and Speaking (Intermediate). Essex, UK: Longman, 1999.
警告: この引用は必ずしも正確ではありません.