Copi, Irving M  . <br/><br/>
Informal logic /  
by Irving M. Copi. 
 - New York :   macmillan Publishing ,   1986. 
 - xi, 354p. :   diagrams ;   24cm .  
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0023249404  USD 20.95 
<br/><br/><label>Subjects--Index Terms: </label>LOGIC 
<br/><br/><label>Dewey Class. No.: </label>160  / COP/I