Sigelman, Carol K. <br/><br/>
Human development across the life span / 
Carol K. Sigelman, Elizabeth A. Rider. 
 - Belmont, CA :  Cengage Learning-Wadsworth,  2008. 
 - 524, p. cm.  ill. some col;  27 cm. 
<br/><br/><label>ISBN: </label>9781111343156