Riso, Don Richard. <br/><br/>
Discovering your personality type :  the essential introduction to the enneagram / 
Don Richard Riso and Russ Hudson. 
 - Rev. and expanded. 
 - Boston :  Houghton Mifflin,  2003. 
 - viii, 215 p. :  ill. ;  21 cm. 
<br/><br/>Includes bibliographical references (p. 211-212). 
<br/><br/><label>ISBN: </label>061821903X 
<br/><br/><label>LCCN: </label>2002191289 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Riso Enneagram Type Indicator.<br/>Enneagram.<br/>Eneagrama.<br/>Pruebas de la personalidad.<br/>Personalidad.<br/>Tipos psicológicos.
<br/><br/><label>LC Class. No.: </label>BF 698.8  / R595d 2003 
<br/><br/><label>Dewey Class. No.: </label>155.2/6