Cita APA

O'Driscoll, N., & Barret, S. (2003). BEC Vantage Masterclass [CD-ROM]: Upper intermediate : class audio CDs. London: Oxford University Press.

Citación estilo Chicago

O'Driscoll, Nina, and Scott Barret. BEC Vantage Masterclass [CD-ROM]: Upper Intermediate : Class Audio CDs. London: Oxford University Press, 2003.

Cita MLA

O'Driscoll, Nina, and Scott Barret. BEC Vantage Masterclass [CD-ROM]: Upper Intermediate : Class Audio CDs. London: Oxford University Press, 2003.