Clarke, Richard A.  1951- <br/><br/>
Cyber war :  the next threat to national security and what to do about it / 
Richard A. Clarke and Robert K. Knake. 
 - New York :  Ecco,  2010. 
 - xiv, 290p. 
<br/><br/><label>ISBN: </label>9780061962233 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cyberterrorism--United States.<br/>Information warfare--United States.<br/>Cyberterrorism--Prevention.--United States