Soars, J., & Soars, L. New headway English course. Oxford University Press.
Citación estilo ChicagoSoars, John, and Liz Soars. New Headway English Course. Oxford : c2000 [2001 printing]: Oxford University Press.
Cita MLASoars, John, and Liz Soars. New Headway English Course. Oxford University Press.
Warning: These citations may not always be 100% accurate.