Brook-Hart G. Guy. (2007). Business Benchmark. Upper-Intermediate: Student's Book. New York, Cambridge University Press, 2007.
Chicago Style (17. basım) AtıfBrook-Hart G. Guy. Business Benchmark. Upper-Intermediate: Student's Book. New York, Cambridge University Press, 2007, 2007.
MLA (9th ed.) AtıfBrook-Hart G. Guy. Business Benchmark. Upper-Intermediate: Student's Book. New York, Cambridge University Press, 2007, 2007.
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