Freeman, James B..
Thinking logically: basic concepts for reasoning /
James B. Freeman 
. - Englewood Cliffs : Prentice Hall,  1988 
. - ix, 97 p.  ill.  24 cm. 
<br/><br/> У надзаг. : Study guide / Gerald A. Press.
<br/><label>  ISBN: </label>0-13-917741-8