Dyfyniad APA

Wardhaugh, R., & Fuller, J. M. (2015). An introduction to sociolinguistics (Seventh edition.). Wiley Blackwell.

Dyfyniad Arddull Chicago

Wardhaugh, Ronald, and Janet M. Fuller. An Introduction to Sociolinguistics. Seventh edition. Chichester, West Sussex, UK ; Malden, MA: Wiley Blackwell, 2015.

Dyfyniad MLA

Wardhaugh, Ronald, and Janet M. Fuller. An Introduction to Sociolinguistics. Seventh edition. Wiley Blackwell, 2015.

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