Ibáñez, Alvaro. <br/><br/>
Word perfect 5.1 

 - 13a. ed 
 - Madrid :   Paraninfo,   1993. 
 - 774 p.il. 
<br/><br/><label>ISBN: </label>8428318077 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOFTWARE<br/>WORD PERFECT 5.1
<br/><br/><label>Universal Decimal Class. No.: </label>681.3.06