Barton, D., & Burkart, J. (2010). The business english teacher: Professional principles and practical procedures. UK: Delta Pub.
Chicago Style aipamenaBarton, Debbie, và Jennifer Burkart. The Business English Teacher: Professional Principles and Practical Procedures. UK: Delta Pub, 2010.
MLA aipamenaBarton, Debbie, và Jennifer Burkart. The Business English Teacher: Professional Principles and Practical Procedures. UK: Delta Pub, 2010.
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