Perkins, Hugh V. <br/><br/>
Human development / 
Hugh V. Perkins. 
 - Belmont, Ca. :  Wadsworth Publishing Co.,  1975. 
 - 462 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographies and indexes. 
<br/><br/><label>ISBN: </label>0534003834 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Developmental psychology.