APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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