life-span human development. 

 - 6th ed. 
 - Canada:   Wadsworth, Cengage Learning,  2009. 
 - xxvii, 524 p. ;  ill. ;  28 cm. 
<br/><br/>Includes appendix 
<br/><br/><label>ISBN: </label>9780495506164 
<br/><br/><label>National Library of Medicine Call No.: </label>WS 103 SI 2009