Jones, L. (2003). BEC vantage preparation and practice for new international business English. United Kingdom: Cambridge University Press.
Trích dẫn kiểu ChicagoJones, Leo. BEC Vantage Preparation and Practice for New International Business English. United Kingdom: Cambridge University Press, 2003.
Trích dẫn MLAJones, Leo. BEC Vantage Preparation and Practice for New International Business English. United Kingdom: Cambridge University Press, 2003.
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