Widdowson, H. G. (2007). Discourse analysis. Oxford University Press.
Chicago Style aipamenaWiddowson, H. G. Discourse Analysis. Oxford ; New York: Oxford University Press, 2007.
MLA aipamenaWiddowson, H. G. Discourse Analysis. Oxford University Press, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.