Cotton, D. (2005). Market leader: Course book : upper intermediate business english. England: Longman.
Trích dẫn kiểu ChicagoCotton, David. Market Leader: Course Book : Upper Intermediate Business English. England: Longman, 2005.
MLA CitationCotton, David. Market Leader: Course Book : Upper Intermediate Business English. England: Longman, 2005.
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