A textbook of English phonetics for Indian students/ 
Balasubramanian,T. 
 - 2nd.ed. 
 - New Delhi:  Macmillan publishers,  2013. 
 - 233 
<br/><br/><label>ISBN: </label>9350593157 
<br/><br/><label>Dewey Class. No.: </label>421  / BAL/T