Sipser, Michael. <br/><br/>
Introduction to the theory of computation / 
Michael Sipser. 
 - 3rd ed. 
 - New Delhi, India :  Cengage Learning,  c2013. 
 - xxi, 458 p. :  ill. ;  25 cm. 
<br/><br/>Includes references & index. 
<br/><br/><label>ISBN: </label>9788131525296 (pbk.) 
<br/><br/><label>LCCN: </label>2006271030 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computational complexity.<br/>Machine theory (computer).
<br/><br/><label>LC Class. No.: </label>QA267  / .S56 2006 
<br/><br/><label>Dewey Class. No.: </label>004  / SIP