1. Abraham, M. M., & Kerns, K. A. (2013). Positive and negative emotions and coping as mediators of mother-child attachment and peer relationships. Merrill-Palmer Quarterly, 59(4), 399–425. doi: 10.1353/mpq.2013.0023 .
2. Ainsworth, M. D. S., Blehar, M., Waters, E., & Wall, S. (1978). Patterns of attachment: Observations in the Strange Situation and at home. Hillsdale, NJ: Erlbaum.
3. Ainsworth, M. D. S., & Bell, S. M. (1972). Mother-Infant Interaction and the Development of Competence. In Connolly, K., & Bruner, J. (Eds.), The growth of competence. New York: Academic Press, 1974.
4. Ainsworth, M. D. S., Blehar, M. C., Waters, E., & Wall, S. (1978). Patterns of attachment. NJ Erlbaum: Hills-dale.
5. Ainsworth, M. S. (1979). Infant–mother attachment. American Psychologist, 34(10), 932–937. doi: 10.1037/0003-066X.34.10.932 .