Cita APA

Soars, J., Falla, T., & Soars, L. (2009). New headway: Beginner : workbook with key. Oxford: Oxford University Press.

Citación estilo Chicago

Soars, John, Tim Falla, and Liz Soars. New Headway: Beginner : Workbook With Key. Oxford: Oxford University Press, 2009.

Cita MLA

Soars, John, Tim Falla, and Liz Soars. New Headway: Beginner : Workbook With Key. Oxford: Oxford University Press, 2009.