Holmes, J. (2013). An introduction to sociolinguistics (4th ed.). Pearson.
Lua i Stíl Chicago (17ú heag.)Holmes, Janet. An Introduction to Sociolinguistics. 4th ed. Harlow, England: Pearson, 2013.
Lua MLA (8ú heag.)Holmes, Janet. An Introduction to Sociolinguistics. 4th ed. Pearson, 2013.
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