APA (7th ed.) Zitazioa

Holmes, J. (1992). An introduction to sociolinguistics. Longman.

Chicago Style (17th ed.) Zitazioa

Holmes, Janet. An Introduction to Sociolinguistics. Harlow Essex: Longman, 1992.

MLA (9th ed.) Zitazioa

Holmes, Janet. An Introduction to Sociolinguistics. Longman, 1992.