YULE, G. (2006). The study of language (Ed.3.). Cambridge University Press.
Dyfyniad Arddull ChicagoYULE, George. The Study of Language. Ed.3. Cambridge: Cambridge University Press, 2006.
Dyfyniad MLAYULE, George. The Study of Language. Ed.3. Cambridge University Press, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.