APA (7e ed.) Bronvermelding

Soars, J., & Soars, L. New headway English course. Oxford University Press.

Chicago (17e ed.) Bronvermelding

Soars, John, en Liz Soars. New Headway English Course. Oxford : c2000 [2001 printing]: Oxford University Press.

MLA (8e ed.) Bronvermelding

Soars, John, en Liz Soars. New Headway English Course. Oxford University Press.