COPI, Iruing, M. <br/><br/>
Introduction To Logic 

 - 9th ed 
 - New Delhi  Prentice Hall of India.  1994 
 - xxii, 730p 
<br/><br/><label>ISBN: </label>81-203-0942-1 
<br/><br/><label>Dewey Class. No.: </label>160