Cita APA (7a ed.)

Bowler, B., & Parminter, S. (2002). New headway pronunciation course: Pre-intermediate [CD-ROM]. Oxford University Press.

Cita Chicago Style (17a ed.)

Bowler, Bill, y Sue Parminter. New Headway Pronunciation Course: Pre-intermediate [CD-ROM]. Oxford: Oxford University Press, 2002.

Cita MLA (9a ed.)

Bowler, Bill, y Sue Parminter. New Headway Pronunciation Course: Pre-intermediate [CD-ROM]. Oxford University Press, 2002.