Children and their development 
Kail,Robert V. 
 - Canadian ed. 
 - Toronto,Canada:  Pearson/Prentice Hall  2009 
 - xxix,609 p:  (some col.)ill; 
<br/><br/><label>ISBN: </label>9780132414586 
<br/><br/><label>LC Class. No.: </label>HQ 767.9  / .K345 2009