Roach,Peter. <br/><br/>
English phonetics and phonology :  a practical course / 
Peter Roach 
 - 4ed. 
 - Delhi :  Cambridge University .  c2009 
<br/><br/><label>ISBN: </label>9780521149211 
<br/><br/><label>Dewey Class. No.: </label>421.5  / R626e