De Bono, Edward. <br/><br/>
Edward De Bono'S Masterthinker'S Handbook : A Guide 

 -  Penguin Books  1985 
 - 150 P. 21 CM. 
<br/><br/><label>ISBN: </label>014014594X 
<br/><br/><label>Dewey Class. No.: </label>153.42 DEB 1985