1. Ainsworth, M. D. S. (1973). The development of infant-mother attachment. In Caldwell, B. M., and Ricciuti, H. N. (eds.),Review of Child Development Research III. University of Chicago Press, Chicago.
2. Ainsworth, M. D. S. (1982). Attachment: Retrospect and prospect. In Parkes, C. M., and Stevenson-Hinde, J. (eds.),The Place of Attachment in Human Behavior. Basic Books, New York.
3. Ainsworth, M. D. S., Blehar, M. D., Waters, E., and Wall, E. (1978).Patterns of Attachment: Assessed in the Strange Situation and at Home. Lawrence Earlbaum Associates, Hillsdale, NJ.
4. Antonucci, T. (1976). Attachment: A life-span concept.Human Develop. 19: 135?142.
5. Berman, W. H. (1985). Continued attachment after legal divorce.J. Family Issues 6: 375?392.