Introduction To Languages And The Theory Of Computation  Textual Documents 
John C. Martin 
 - 3rd ed. 
 - New Delhi:  McGraw Hill Education (India) Private Limited.,  2013. 
 - 544pg:  23cm. 
<br/><br/><label>ISBN: </label>978-0-07-066048-9 
<br/><br/><label>Subjects--Index Terms: </label>Mathematics G- Mathematics Deptt- Computer science 
<br/><br/><label>Dewey Class. No.: </label>511.