Ladefoged, Peter. A course in phonetics / Peter Ladefoged. - 3rd ed. - Fortworth : Harcourt Brace Jovanovich, 1993. - xi, 308 p. : ill. ; 23 cm. Includes bibliographical references and index. ISBN: 0155001736 Subjects--Topical Terms: English language--Phonetics. Dewey Class. No.: 414