Wardhaugh, R. (1992). An Introduction to sociolinguistics (2nd ed.). Oxford University Press.
Citación estilo ChicagoWardhaugh, Ronald. An Introduction to Sociolinguistics. 2nd ed. U K: Oxford University Press, 1992.
Cita MLAWardhaugh, Ronald. An Introduction to Sociolinguistics. 2nd ed. Oxford University Press, 1992.
Warning: These citations may not always be 100% accurate.