Chamot, A. U. (2002). Up close 4: English for global communication. Boston, MA: Thomson/Heinle.
Trích dẫn kiểu ChicagoChamot, Anna Uhl. Up Close 4: English for Global Communication. Boston, MA: Thomson/Heinle, 2002.
Deismireacht MLAChamot, Anna Uhl. Up Close 4: English for Global Communication. Boston, MA: Thomson/Heinle, 2002.
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