Lifespan development / 
Denise Boyd...[at al.]. 
 - 3rd canadian ed. 
 - Toronto:  Pearson Canada Inc., ,  2009. 
 - xx, 715 p. :  ill. ; 
<br/><br/> Includes bibliographical and index 
<br/><br/><label>ISBN: </label>9780205536290 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lifespan
<br/><br/><label>LC Class. No.: </label>BF713. B69 2009