Croft, K. (1968). English pronunciation: A manual for teachers. Collier-Macmillan International.
Dyfyniad Arddull ChicagoCroft, Kenneth. English Pronunciation: A Manual for Teachers. New York: Collier-Macmillan International, 1968.
Dyfyniad MLACroft, Kenneth. English Pronunciation: A Manual for Teachers. Collier-Macmillan International, 1968.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.