O'Neil, Sharon Lund. <br/><br/>
Office information systems :  concepts and applications / 

 - 3rd ed. 
 - New York  Glencoe,  1995. 
 - xvi, 352 p. :  ill. (col.) ;  23 cm. 
<br/><br/>Includes indexes. 
<br/><br/><label>ISBN: </label>007047818X 
<br/><br/><label>LC Class. No.: </label>HF5548.5  / .On2 1995