Holmes, J. (2008). An introduction to sociolinguistics (3rd ed.). Pearson Longman.
Lua i Stíl Chicago (17ú heag.)Holmes, Janet. An Introduction to Sociolinguistics. 3rd ed. Harlow, England ; New York: Pearson Longman, 2008.
Lua MLA (8ú heag.)Holmes, Janet. An Introduction to Sociolinguistics. 3rd ed. Pearson Longman, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.