Yule, G. (2020). The study of language (Seventh edition.). Cambridge University Press.
Dyfyniad Arddull ChicagoYule, George. The Study of Language. Seventh edition. Cambridge: Cambridge University Press, 2020.
Dyfyniad MLAYule, George. The Study of Language. Seventh edition. Cambridge University Press, 2020.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.