Yule, G. (2008). Study of language (3,4.). Cambridge University Press.
Chicago Style aipamenaYule, George. Study of Language. 3,4. Cambridge: Cambridge University Press, 2008.
MLA aipamenaYule, George. Study of Language. 3,4. Cambridge University Press, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.