Copi, Irving M. <br/><br/>
Introduction to logic / 
by Irving M. Corpi, Carl Cohen, Victor Rodych 
 - 5th ed. 
 - New York and London:  Routledge,  2019. 
<br/><br/><label>ISBN: </label>9781138500860 
<br/><br/><label>Dewey Class. No.: </label>R1  / Q9