Bono, Edward De. <br/><br/>
Six thinking hats. 

 - New York :  Back Bay Books,  1985. 
 - ix, 172 p.  ill. ;  16 cm.  
<br/><br/><label>ISBN: </label>9780316178310 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thinking.
<br/><br/><label>Dewey Class. No.: </label>153.42 BON