Chaffee, John. <br/><br/>
Thinking critically / 
John Chaffee 
 - 8th ed. 
 - Boston, Mass. :  Houghton Mifflin Co.,  2006 
 - xxv, 553 p. :  ill. ;  23  cm. 
<br/><br/><label>ISBN: </label>0618536485  RM242.65 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thought and thinking