Andrew T Williams <br/><br/>
Lotus 123 from A to Z 

 - 
 -  John Wiley and Sons  1985 
 - 358 
<br/><br/>  
<br/><br/><label>ISBN: </label>0-471-87919-3 
<br/><br/><label>Dewey Class. No.: </label>004.4