De Bono, Edward <br/><br/>
Six thinking hats 
Edward De Bono 
 - New York  Back Bay Books  1985 
 - 173 p.  21 cm 
<br/><br/>
<br/><br/><label>ISBN: </label>9780316178310 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thought and thinking
<br/><br/><label>Dewey Class. No.: </label>153.42 D287s 1985