Ladefoged, P. (1982). A course in phonetics (2nd ed.). Harcourt Brace Jovanovich.
Dyfyniad Arddull ChicagoLadefoged, Peter. A Course in Phonetics. 2nd ed. New York: Harcourt Brace Jovanovich, 1982.
Dyfyniad MLALadefoged, Peter. A Course in Phonetics. 2nd ed. Harcourt Brace Jovanovich, 1982.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.