Crystal, D. (2003). Dictionary of linguistics and phonetics (5th ed.). Blackwell.
Dyfyniad Arddull ChicagoCrystal, David. Dictionary of Linguistics and Phonetics. 5th ed. U. K.: Blackwell, 2003.
Dyfyniad MLACrystal, David. Dictionary of Linguistics and Phonetics. 5th ed. Blackwell, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.