Lightbown, P. M., & Patsy M. Lightbown; Nina Spada. (2000). How languages are learned. Oxford: Oxford University Press.
Dyfyniad Arddull ChicagoLightbown, Patsy M., và Patsy M. Lightbown; Nina Spada. How Languages Are Learned. Oxford: Oxford University Press, 2000.
Dyfyniad MLALightbown, Patsy M., và Patsy M. Lightbown; Nina Spada. How Languages Are Learned. Oxford: Oxford University Press, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.