Wardhaugh, Ronald
An Introduction to Sociolinguistics
Blackwell Publishers, 2002
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Wardhaugh, Ronald
An introduction to sociolinguistics
Wiley-Blackwell, 2010
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Wardhaugh, Ronald
An introduction to sociolinguistics
Blackwell Publishers, 2002
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Holmes, Janet, editor
An Introduction to Sosiolinguistics / Janet Holmes
Longman, 1993
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Mey, Jacob L.
Pragmatics : an introduction
Blackwel, 1993
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