Scott-Barrett F. Fiona. (2003). BEC Vantage Masterclass. Upper Intermediate: Teacher's book. New York, Oxford University Press, 2003.
Cita Chicago (17th ed.)Scott-Barrett F. Fiona. BEC Vantage Masterclass. Upper Intermediate: Teacher's Book. New York, Oxford University Press, 2003, 2003.
Cita MLA (9th ed.)Scott-Barrett F. Fiona. BEC Vantage Masterclass. Upper Intermediate: Teacher's Book. New York, Oxford University Press, 2003, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.