Roach ,peter <br/><br/>
English Phonetics and Phonology 

 - 4th ed. 
 - New Delhi  Cambridge University press Pv  t Ltd.     2010 
 - xi, 231 p 
<br/><br/><label>ISBN: </label>9780521149211 
<br/><br/><label>Dewey Class. No.: </label>421.5