Lass, R. (1984). Phonology: An introduction to basic concepts. New York: Cambridge University Press.
Dyfyniad Arddull ChicagoLass, Roger. Phonology: An Introduction to Basic Concepts. New York: Cambridge University Press, 1984.
Dyfyniad MLALass, Roger. Phonology: An Introduction to Basic Concepts. New York: Cambridge University Press, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.