Hutchinson, Sarah E. [et.al] <br/><br/>
WordPerfect® 5.1 
by Sarah E. Hutchinson 
 - United State of America  IRWIN  1993 
 - x , 174 p. :  ill. ;   28 cm. 
<br/><br/>Include Index 
<br/><br/><br/>English Text 
<br/><br/><label>ISBN: </label>0-256-13478-2