Yule, G. (1985). The study of language: An introduction. Cambridge University Press.
Dyfyniad Arddull ChicagoYule, George. The Study of Language: An Introduction. Cambridge: Cambridge University Press, 1985.
Dyfyniad MLAYule, George. The Study of Language: An Introduction. Cambridge University Press, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.