John, P. <br/><br/>
Linguistics and phonetics/ 
Patrick John and David Christopher 
 - New Delhi:  Commonwealth,  2018. 
 - 270p.:  ill.;  23 cm. 
<br/><br/> includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9788131102657 
<br/><br/><label>LC Class. No.: </label>DUCE P121.J65