Burch J <br/><br/>
Information systems theory and practice 
Burch J; Grudnitski G 
 - 5 
 - NY  NY, John Wiley  1989 
 - xvi,921 
<br/><br/><label>ISBN: </label>0-471-61293-6 
<br/><br/><label>Source: </label>Textbook