Hewings, M. (1993). Pronunciation Tasks: A course for pre-intermediate students. Cambridge University Press.
Citace podle Chicago (17th ed.)Hewings, Martin. Pronunciation Tasks: A Course for Pre-intermediate Students. Cambridge: Cambridge University Press, 1993.
Citace podle MLA (9th ed.)Hewings, Martin. Pronunciation Tasks: A Course for Pre-intermediate Students. Cambridge University Press, 1993.
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