O'Driscoll N. Nina & Scott-Barrett F. Fiona. (2003). BEC Vantage Masterclass. Upper Intermediate: Course book. New York, Oxford University Press, 2003.
Chicagoスタイル(17版)引用形式O'Driscoll N. Nina , Scott-Barrett F. Fiona. BEC Vantage Masterclass. Upper Intermediate: Course Book. New York, Oxford University Press, 2003, 2003.
MLA(9版)引用形式O'Driscoll N. Nina , Scott-Barrett F. Fiona. BEC Vantage Masterclass. Upper Intermediate: Course Book. New York, Oxford University Press, 2003, 2003.
警告: この引用は必ずしも正確ではありません.