Soars, J., & Soars, L. New headway English course. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Soars, John, agus Liz Soars. New Headway English Course. Oxford : c2000 [2001 printing]: Oxford University Press.
Lua MLA (8ú heag.)Soars, John, agus Liz Soars. New Headway English Course. Oxford University Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.