O'Leary Timothy <br/><br/>
Wordperfect 5.0/ 
Timothy O'Leary,Brian K. Williams, Linda I. O'Leary. 
 - USA  McGraw- Hill  1990 
 - 143p.:  ill.; 
<br/><br/>index 
<br/><br/><label>ISBN: </label>9780070478824 0070478821 
<br/><br/><label>LC Class. No.: </label>QA76.76  / .O12 1990