Richards, J. C., Hull, J., Proctor, S., & Đỗ, Q. T. (2001). New Interchange 1: English for international communication. Studen's and workbook. Hà Nội: Thanh niên.
Chicago Style aipamenaRichards, Jack C., Jonathan Hull, Susan Proctor, và Quang Thái Đỗ. New Interchange 1: English for International Communication. Studen's and Workbook. Hà Nội: Thanh niên, 2001.
MLA aipamenaRichards, Jack C., Jonathan Hull, Susan Proctor, và Quang Thái Đỗ. New Interchange 1: English for International Communication. Studen's and Workbook. Hà Nội: Thanh niên, 2001.
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