Liz, Hancock, P., & Soars, J. (2018). New headway: Pre-intermediate. student's book (Fifth edition.). Oxford University Press.
Chicago-viite (17. p.)Liz, Paul Hancock, ja John Soars. New Headway: Pre-intermediate. Student's Book. Fifth edition. Oxford: Oxford University Press, 2018.
MLA-viite (9. p.)Liz, et al. New Headway: Pre-intermediate. Student's Book. Fifth edition. Oxford University Press, 2018.
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