Wardhaugh, R., & Fuller, J. M. (2015). An introduction to sociolinguistics (Seventh edition.). Wiley Blackwell.
Lua i Stíl Chicago (17ú heag.)Wardhaugh, Ronald, agus Janet M. Fuller. An Introduction to Sociolinguistics. Seventh edition. Chichester, West Sussex, UK ; Malden, MA: Wiley Blackwell, 2015.
Lua MLA (8ú heag.)Wardhaugh, Ronald, agus Janet M. Fuller. An Introduction to Sociolinguistics. Seventh edition. Wiley Blackwell, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.