Ellis, R. (2001). The study of second language acquisition. Oxford, UK: Oxford University Press.
Dyfyniad Arddull ChicagoEllis, Rod. The Study of Second Language Acquisition. Oxford, UK: Oxford University Press, 2001.
Dyfyniad MLAEllis, Rod. The Study of Second Language Acquisition. Oxford, UK: Oxford University Press, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.