APA-referens (7:e uppl.)

Trudgill, P. (2000). Sociolinguistics: An introduction to language and society (4th ed.). Penguin.

Chicago-referens (17:e uppl.)

Trudgill, Peter. Sociolinguistics: An Introduction to Language and Society. 4th ed. London ; New York: Penguin, 2000.

MLA-referens (8:e uppl.)

Trudgill, Peter. Sociolinguistics: An Introduction to Language and Society. 4th ed. Penguin, 2000.