Soars, J., & Soars, L. (2000). New headway English course. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Soars, John, agus Liz Soars. New Headway English Course. New York: Oxford University Press, 2000.
Lua MLA (8ú heag.)Soars, John, agus Liz Soars. New Headway English Course. Oxford University Press, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.