Liz, Hughes, S., & Soars, J. (2019). New headway: Pre-intermediate. teacher's book (Fifth edition.). Oxford University Press.
Chicago-viite (17. p.)Liz, Stacey Hughes, ja John Soars. New Headway: Pre-intermediate. Teacher's Book. Fifth edition. Oxford: Oxford University Press, 2019.
MLA-viite (9. p.)Liz, et al. New Headway: Pre-intermediate. Teacher's Book. Fifth edition. Oxford University Press, 2019.
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