Bowlby, John  <br/><br/>
Attachment and Loss, Vol. III: loss: sadness and depression 

 - England:  Penguin Books,  1980. 
 - 472p. 
<br/><br/><label>ISBN: </label>9780140138399 
<br/><br/><label>Dewey Class. No.: </label>155.418 BOW-A