Hewings, M. (1993). Pronunciation tasks: A course for pre-intermediate studients. Teacher's Book. Cambridge University Press.
Citace podle Chicago (17th ed.)Hewings, Martin. Pronunciation Tasks: A Course for Pre-intermediate Studients. Teacher's Book. Nueva York: Cambridge University Press, 1993.
Citace podle MLA (9th ed.)Hewings, Martin. Pronunciation Tasks: A Course for Pre-intermediate Studients. Teacher's Book. Cambridge University Press, 1993.
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