Deismireacht APA

David Riley. (1999). Business listening and speaking (Pre-intermediate). Essex, UK: Longman.

Trích dẫn kiểu Chicago

David Riley. Business Listening and Speaking (Pre-intermediate). Essex, UK: Longman, 1999.

Deismireacht MLA

David Riley. Business Listening and Speaking (Pre-intermediate). Essex, UK: Longman, 1999.

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