Cita APA (7a ed.)

Soars, J., Soars, L., & Wheeldon, S. (2011). New headway: Pre-intermediate : workbook with key (3rd ed.). Oxford University Press.

Cita Chicago Style (17a ed.)

Soars, John, Liz Soars, y Sylvia Wheeldon. New Headway: Pre-intermediate : Workbook with Key. 3rd ed. Oxford: Oxford University Press, 2011.

Cita MLA (9a ed.)

Soars, John, et al. New Headway: Pre-intermediate : Workbook with Key. 3rd ed. Oxford University Press, 2011.