6Ainsworth M D. Attachment Beyond Infancy. American Psychologist, 1989, 44(4): 709~716.
7Hazan C, Zeifman D. Pair Bonds as Attachments: Evaluating the Evidence. In: Cassidy J, Shaver P R ed. Handbook of Attachment: Theory, Research, and Clinical Application.New York: Guilford Press, 1999. 336~354.
8Fraley R C, Davis K E. Attachment formation and transfer in young adults' close friendships and romantic relationships.Personal Relationships, 1997, 4: 131~144..
9Bartholomew K, Shaver P. Methods of assessing adult attachment: Do they converge? In: Simpson J A, Rholes W S ed. Attachment Theory and Close Relationships. New York:Guilford, 1998.25~45.
10Crowell J A, Fraley R C, Shaver P R. Measurement of Individual Differences in Adolescent and Adult Attachment.In: Cassidy J, Shaver P R ed. Handbook of Attachment:Theory, Research, and Clinical Application. New York:Guilford Press, 1999. 434~468.