Hudson, R. A. (2001). Sociolinguistics (2nd ed.). Cambridge University Press.
Chicago Style aipamenaHudson, Richard A. Sociolinguistics. 2nd ed. Cambridge [England] ; New York, NY, USA: Cambridge University Press, 2001.
MLA aipamenaHudson, Richard A. Sociolinguistics. 2nd ed. Cambridge University Press, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.