Hudson, R. A.
Sociolinguistics
Cambridge , 1980
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Sociolinguistics : an international handbook of the science of language and society : volume 1
edited by Ulrich Ammon, Norbert Dittmar, Klaus J. Mattheier
Walter de Gruyter, 1987
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Sociolinguistics : an international handbook of the science of language and society : volume 2
edited by Ulrich Ammon, Norbert Dittmar, Klaus J. Mattheier
Walter de Gruyter, 1988
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Issues in sociolinguistics
edited by Oscar Uribe-Villegas
Mouton, 1977
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Wardhaugh, Ronald
An Introduction to Sociolinguistics
Blackwell Publishers, 2002
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