Copi, Irving M <br/><br/>
Informal logic 

 - 3rd ed. 
 - New Jursy  Prentice hall  1996 
 - 314 p. 
<br/><br/><label>ISBN: </label>0132290480 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic
<br/><br/><label>Dewey Class. No.: </label>160  / C56