Beesing, Maria. Nogosek, Robert J.  <br/><br/>
The Enneagram :  A Journey of Self Discovery / 
Maria Beesing & Robert J. Nogosek. 
 - New Jersey :  Dimension Books,   1984. 
 - viii, 223 p. 
<br/><br/><label>ISBN: </label>0871932148 
<br/><br/><label>Dewey Class. No.: </label>248  / BEE