Hurlock, Elizabeth Bergner. <br/><br/>
Developmental psychology :  a life- span approach / 
Elizabeth B. Hurlock. 
 - 5th ed. 
 - Manila :  National Book Store,  c1982. 
 - xiv, 477 p. : ill. 
<br/><br/> Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>971-08-2954-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Developmental psychology