Summers, Della . <br/><br/>
Language Activator(The World`s First Production Dictionary ) /  Textual Documents 
Michael Rundell. 
 - Ist ed. / 
 - London :  Longman ,  1993. 
 - 1587pg ;  2ocm. 
<br/><br/><label>Subjects--Index Terms: </label>Dictionary Reference Section 
<br/><br/><label>Dewey Class. No.: </label>423  / Lo 863 La