Denise Boyd, Helen Bee <br/><br/>
Lifespan Development / 
Helen Bee Denise Boyd 
 - 6th edition 
 - USA :  Pearson,  2012 
<br/><br/><label>ISBN: </label>9781256796046 
<br/><br/><label>Dewey Class. No.: </label>155  / L722