Zigler, Edward,  1930-. <br/><br/>
Understanding mental retardation / 
Edward Zigler and Robert M. Hodapp. 
 - Cambridge ;  New York :  Cambridge University Press,  c1986. 
 - xii, 292 p. :  ill. ;  24 cm. 
<br/><br/> Includes indexes. 
<br/><br/>Bibliography: p. 248-279. 
<br/><br/><label>ISBN: </label>0521318785 (pbk.) 
<br/><br/><label>LCCN: </label>85031444 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental retardation.<br/>Mental Retardation.
<br/><br/><label>LC Class. No.: </label>RC570  RC570  / .Z54 1986  / .Z54 
<br/><br/><label>Dewey Class. No.: </label>616.85/88 
<br/><br/><label>National Library of Medicine Call No.: </label>WM 300 Z68u