(1996). Sociolinguistics and language teaching. Cambridge, New York: Cambridge Univ. Press.
Chicago Style aipamenaSociolinguistics and Language Teaching. Cambridge, New York: Cambridge Univ. Press, 1996.
MLA aipamenaSociolinguistics and Language Teaching. Cambridge, New York: Cambridge Univ. Press, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.