Copi M.I   <br/><br/>
Introduction to logic / 
by Irving M. Copi    . Carl Cohen 
 - 13th edition 
 - New Jersey  Prentice Hall  2009 
 - xvii,670p ; ill   Pbk 
<br/><br/><label>ISBN: </label>9780558170370 
<br/><br/><label>LC Class. No.: </label>BC108.C6 2009