APA

Brieger N., Comfort J., O'Driscoll N. & Scott-Barret F. (2003). Bec Vantage Masterclass Upper Intermediate. New York: Oxford University Press.

Chicago

Brieger N, Comfort J, O'Driscoll N and Scott-Barret F. 2003. Bec Vantage Masterclass Upper Intermediate. New York: Oxford University Press.

Harvard

Brieger N., Comfort J., O'Driscoll N. and Scott-Barret F. (2003). Bec Vantage Masterclass Upper Intermediate. New York: Oxford University Press.

MLA

Brieger N, Comfort J, O'Driscoll N and Scott-Barret F. Bec Vantage Masterclass Upper Intermediate. New York: Oxford University Press. 2003.