Copi, Irving M..
Introduction to logic: study guide /
Irving M. Copi, Carl Cohen ; prepared by Richard W. Miller 
. - 8th edition 
. - New York : Macmillan Publishing Company, London : Collier Macmillan Publishers,  1990 
. - viii, 275 p.  tab., schem.  25 cm. 
<br/><label>  ISBN: </label>0-02-381311-3