Logic : Language, language and deduction 
Copi, Irving M. 
 - Twelfth edition. 
 -  Pearson Education South Asia Pte. Ltd.  2005 
 - xx, 683 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>9-81244899-3 
<br/><br/><label>Dewey Class. No.: </label>160 C971 2005