Mash, J. Eric. <br/><br/>
Abnormal child psychology / 
Eric J. Mash, David A. Wolfe. 
 - 5th ed. 
 - Belmont, CA :  Wadsworth,  2012. 
 - p. cm. 
<br/><br/><label>ISBN: </label>9781111834494 1111834490 
<br/><br/><label>LCCN: </label>2012933865