1. When Partners Become Parents: The Big Life Change in Couples;Cowan,2000
2. Becoming Parents: Exploring the Bonds Between Mothers, Fathers, and Their Infants;Feeney,2001
3. Attachment and Loss: vol. 1. Attachment;Bowlby,1969
4. Attachment and Loss: vol. 2. Separation: Anxiety and Anger;Bowlby,1973
5. Attachment and Loss: vol. 3. Loss;Bowlby,1980