Roach, Peter. <br/><br/>
English phonetics and phonology :  a practical course / 
Peter Roach. 
 - 4th  ed. 
 - Cambridge :  C. U. P.,  2009. 
 - xii, 231  p. +  2 CD-ROM. 
<br/><br/><label>ISBN: </label>0521717403 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Phonetics.<br/>English language--Phonology.<br/>English language--study and teaching--Foreign Speakers.