Ball  W J <br/><br/>
Steps to fluency in spoken English 

 - London :  Longman,   
 - 24 
 - 1968 .
<br/><br/><label>ISSN: </label>F1294 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Phonology - English
<br/><br/><label>LC Class. No.: </label>010 
<br/><br/><label>Dewey Class. No.: </label>421 
<br/><br/><label>National Library of Medicine Call No.: </label>100