Soars, L., & Soars, J. (2006). New headway: Elementary : teacher's book (3rd ed.). Oxford: Oxford University Press.
Παραπομπή Chicago StyleSoars, Liz., και John Soars. New Headway: Elementary : Teacher's Book. 3rd ed. Oxford: Oxford University Press, 2006.
Παραπομπή MLASoars, Liz., και John Soars. New Headway: Elementary : Teacher's Book. 3rd ed. Oxford: Oxford University Press, 2006.
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