Acitelli, L.K., Duck, S., & West, L. (2000). Embracing the social in personal relationships and research. In W. Ickes & S. Duck (Eds.), The social psychology of personal relationships (pp.215-227). Chichester: John Wiley & Sons.
Ainsworth, M.D.S., Blehar, M.C., Waters, E., & Wall, S. (1978). Patterns of attachment: A psychological study of the strange situation. Hillsdale, NJ: Erlbaum.