De Bono, Edward. <br/><br/>
Lateral Thinking : A Textbook Of Creativity. 

 -  Penguin Books  1990 
 - 260 P. : ILL. 20 CM. 
<br/><br/><label>ISBN: </label>140137793 
<br/><br/><label>Dewey Class. No.: </label>153.42 DEB 1990