Cita APA (7th ed.)

Wardhaugh, R. (2010). An Introduction to sociolinguistics. Wiley-Blackwell.

Cita Chicago (17th ed.)

Wardhaugh, Ronald. An Introduction to Sociolinguistics. West Sussex: Wiley-Blackwell, 2010.

Cita MLA (9th ed.)

Wardhaugh, Ronald. An Introduction to Sociolinguistics. Wiley-Blackwell, 2010.