Ladefoged, Peter <br/><br/>
A Course in phonetics 
/ by Peter Ladefoged 
 - New York:  harcourt Brace Jovanovich , Inc,   1975. 
 - xiv, 296p.; 
<br/><br/><label>ISBN: </label>0155151800 
<br/><br/><label>Dewey Class. No.: </label>414  / LAD/A