Hughes J. John & Naunton J. Jon. (2008). Business Result. Intermediate: Class CDs. New York, Oxford University Press, 2008.
Cita Chicago Style (17a ed.)Hughes J. John y Naunton J. Jon. Business Result. Intermediate: Class CDs. New York, Oxford University Press, 2008, 2008.
Cita MLA (9a ed.)Hughes J. John y Naunton J. Jon. Business Result. Intermediate: Class CDs. New York, Oxford University Press, 2008, 2008.
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