Deismireacht APA

 Cotton, D. (2005).  Market leader: Pre - Intermediate business english course book.  Longmans.

Trích dẫn kiểu Chicago

 Cotton, David.  Market Leader: Pre - Intermediate Business English Course Book.  Longmans, 2005.

Deismireacht MLA

 Cotton, David.  Market Leader: Pre - Intermediate Business English Course Book.  Longmans, 2005.

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