Mental retardation :  definition, classification, and systems of supports. 

 - 10th ed. 
 - Washington, D.C. :  American Association on Mental Retardation,  2002. 
 - xiii, 238 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>0940898810 9780940898813 
<br/><br/><label>LCCN: </label>2002066469 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>101148553  DNLM 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental retardation--Classification.
<br/><br/><label>LC Class. No.: </label>RC570  / .C515 2002