Ball, W. J. <br/><br/>
Conversational English  an analysis of contemporary spoken English for foreign students, with exercises, 
W. J. Ball. 
 - London  Longmans  c1966 
 - xi, 284 p.  19 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>74248006 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Spoken English.<br/>English language--Study and teaching--Foreign speakers