Cita APA (7th ed.)

Soars, J., & Soars, L. (2003). New Headway: Intermediate student's book (The new edition.). Oxford University Press.

Cita Chicago (17th ed.)

Soars, John, i Liz Soars. New Headway: Intermediate Student's Book. The new edition. Oxford: Oxford University Press, 2003.

Cita MLA (8th ed.)

Soars, John, i Liz Soars. New Headway: Intermediate Student's Book. The new edition. Oxford University Press, 2003.