O'Driscoll, N., & Scott-Barret, F. (2003). BEC Vantage Masterclass: Upper intermediate : course book. Oxford: Oxford University Press.
Citación estilo ChicagoO'Driscoll, Nina, and Fiona Scott-Barret. BEC Vantage Masterclass: Upper Intermediate : Course Book. Oxford: Oxford University Press, 2003.
Cita MLAO'Driscoll, Nina, and Fiona Scott-Barret. BEC Vantage Masterclass: Upper Intermediate : Course Book. Oxford: Oxford University Press, 2003.
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