Liz, Hughes, S., & Soars, J. (2019). New headway: Pre-intermediate. teacher's book (Fifth edition.). Oxford University Press.
Cita Chicago (17th ed.)Liz, Stacey Hughes, i John Soars. New Headway: Pre-intermediate. Teacher's Book. Fifth edition. Oxford: Oxford University Press, 2019.
Cita MLA (9th ed.)Liz, et al. New Headway: Pre-intermediate. Teacher's Book. Fifth edition. Oxford University Press, 2019.
Atenció: Aquestes cites poden no estar 100% correctes.