Sultania Dilip Kumar. <br/><br/>
Theory of Computetion  Textual Documents 

 - 2nd. 
 - Delhi:  Tata McGraw Hill Publishing Company Limited,  2011. 
 - A-4. 
<br/><br/><label>ISBN: </label>978-81-8492-446-6   
<br/><br/><label>Dewey Class. No.: </label>SUL