Yule, G. (2006). The study of language (3rd ed.). Cambridge University Press.
Chicago Style aipamenaYule, George. The Study of Language. 3rd ed. Cambridge [England]: Cambridge University Press, 2006.
MLA aipamenaYule, George. The Study of Language. 3rd ed. Cambridge University Press, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.