Media, telecommunications, and business strategy/ 
Gershon, Richard A. 
 - 2nd ed. 
 - London:  Routledge,  2013. 
 - 435 p. 
<br/><br/><label>ISBN: </label>9780415517652 
<br/><br/><label>Dewey Class. No.: </label>384.068  / GER/M