1. Multiple regression: Testing and interpreting interactions;Aiken,1991
2. Interpersonal perspectives on social phobia;Alden,2001
3. Attachment and loss: Vol. 1 Attachment;Bowlby,1969
4. A secure base;Bowlby,1988
5. Bradbury, T., Pasch, P.A. (1992). The social support interaction coding system. Unpublished coding manual. Los Angeles: University of California.