Huntington SP (2004) Who Are We? The Challenges to America's National Identity. New York: Simon and Schuster. ISBN 0684870541.
Rickford JR (2004) Spoken soul: the beloved, belittled language of Black America. In Fought C (ed.) Sociolinguistic Variation: Critical Reflections. Oxford: Oxford University Press. ISBN 0195170393.
Schmid CL (2001) The Politics of Language: Conflict, Identity and Cultural Pluralism in Comparative Perspective. Oxford: Oxford University Press. ISBN 0195137760.
Wardhaugh R (2006) An Introduction to Sociolinguistics. 5th edition. Oxford: Blackwell. ISBN 140513559X.