Soars, J., & Soars, L. (2011). New headway: Beginner : student's book (3rd ed.). Oxford University Press.
Cita Chicago Style (17a ed.)Soars, John, y Liz Soars. New Headway: Beginner : Student's Book. 3rd ed. Oxford: Oxford University Press, 2011.
Cita MLA (9a ed.)Soars, John, y Liz Soars. New Headway: Beginner : Student's Book. 3rd ed. Oxford University Press, 2011.
Precaución: Estas citas no son 100% exactas.