Judy B Gilbert. (2001). Clear speech from the start (3 cassettes in box): Basic pronunciation and listening comprehension in North American English. Cambridge, UK: Cambridge Univ. Press.
Dyfyniad Arddull ChicagoJudy B Gilbert. Clear Speech From the Start (3 Cassettes in Box): Basic Pronunciation and Listening Comprehension in North American English. Cambridge, UK: Cambridge Univ. Press, 2001.
Dyfyniad MLAJudy B Gilbert. Clear Speech From the Start (3 Cassettes in Box): Basic Pronunciation and Listening Comprehension in North American English. Cambridge, UK: Cambridge Univ. Press, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.