Soars, J., & Soars, L. (2003). New Headway: Intermediate Teacher's Book (New Edition.). Oxford University Press.
Cita Chicago Style (17a ed.)Soars, John, y Liz Soars. New Headway: Intermediate Teacher's Book. New Edition. New York: Oxford University Press, 2003.
Cita MLA (9a ed.)Soars, John, y Liz Soars. New Headway: Intermediate Teacher's Book. New Edition. Oxford University Press, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.