Varian/Farrell/Shapiro <br/><br/>
The Economics of Information Technology  

 - 1st ed 
 -  Cambridge University Press  2010 
<br/><br/><label>ISBN: </label>9780511754166 
<br/><br/><label>Source: </label>EBOOK 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commerce