Soars, L., & Soars, J. (1996). New headway english course: Intermediate student's book. Oxford University Press.
Citace podle Chicago (17th ed.)Soars, Liz, a John Soars. New Headway English Course: Intermediate Student's Book. Oxford: Oxford University Press, 1996.
Citace podle MLA (9th ed.)Soars, Liz, a John Soars. New Headway English Course: Intermediate Student's Book. Oxford University Press, 1996.
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