Hurlock, Elizabeth  B,  c1980. <br/><br/>
Development psychology / 
Elizabeth  B.Hurlock. 
 - 5th edition. 
 - New York :  McGraw- Hill Book Company,  1980. 
 - 477 pages :  illustrations ;  25 cm. 
<br/><br/> Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>9710829548