Developmental psychology :  a life-span approach / 
James E. Birren ... [et al.] 
 - Boston :  Houghton Mifflin,  1981 
 - xviii, 696 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>0395297176 
<br/><br/><label>LCCN: </label>80-82839 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Developmental psychology