Developmental psychology : a life-span approach 
Hurlock, Elizabeth B. 
 - Fifth edition. 
 -  McGraw-Hill Book Company.  1982 
 - xiv, 477 pages 
<br/><br/>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Developmental psychology.
<br/><br/><label>Dewey Class. No.: </label>155 H93d 1982