Handbook of the psychology of aging / 
Edited by K. Warner Schaie and Sherry L. Willis. 
 - 7th ed. 
 - Amsterdam :  Elsevier ,  2011. 
 - xx, 415p.; 25cm. 
<br/><br/>Includes bibliogrphies and index. 
<br/><br/><label>ISBN: </label>9780123808820 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology 
<br/><br/><label>Dewey Class. No.: </label>155.67 HAN