1. Patterns of attachment: A psychological study of the strange situation;Ainsworth,1978
2. Coping strategies and quality of parent and peer attachment in late adolescence;Armsden,1986
3. The inventory of parent and peer attachment: Individual differences and their relationship to psychological well-being in adolescence;Armsden;Journal of Youth and Adolescence,1987
4. Attachment and loss: Vol. I. Attachment;Bowlby,1969
5. The making and breaking of affectional bonds;Bowlby,1979