Chaffee, John. <br/><br/>
Thinking critically / 
John Chaffee. 
 - 2nd. ed. 
 - Boston :  Houghton-Mifflin.  1988. 
 - 468 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0395432480 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thought and thinking.