Ladefoged, Peter. <br/><br/>
A course in phonetics / 
Peter Ladefoged, Keith Johnson. 
 - 6th ed. 
 - Boston, MA :  Wadsworth/Cengage Learning,  c2011. 
 - xiii, 322 p. ;  ill. ;  24 cm.  1 CD-ROM  ( 4 3/4 in.) 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><br/>System requirements for accompanying computer disc: Windows  2000, XP (SP2) ; 256 MB RAM.  CD-ROM drive. 
<br/><br/><label>ISBN: </label>9781428231269 (student edition) 1428231269 (student edition) 9781439083246 (instructor's edition) 143908324X (instructor's edition) 9781428231276 (international student edition) 1428231277 (international student edition) 
<br/><br/><label>LCCN: </label>2009938969 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Phonetics.<br/>English language--Phonetics.
<br/><br/><label>LC Class. No.: </label>P221  / .L2 2011