Ladefoged, Peter. A course in phonetics / Peter Ladefoged. - 4th ed. - Thomson: Boston, c2000. - xiv, 289p.: ill.;, figs.;, tables.; 20 cm. Includes index. Dept. of English ISBN: 0155073192 Subjects--Topical Terms: The vocal organs Dewey Class. No.: 421 / LAC