1. Achenbach, T. M., & Roscorla, L. A. (2000a). Manual for the ASEBA preschool forms & profile. Burlington, VT: University of Vermont, Research Centre for Children, Youth, & Families.
2. Achenbach, T. M., & Roscorla, L. A. (2000b). Manual for the ASEBA school-age forms & profile. Burlington, VT: University of Vermont, Research Centre for Children, Youth, & Families.
3. Ainsworth, M. D. S. (1967). Infancy in Uganda: Infant care and the growth of love. Baltimore: Johns Hopkins University Press.
4. Ainsworth, M. D. S. (1979). Infant–mother attachment. American Psychologist, 34(10), 932–937.
5. Ainsworth, M. D. S., Blehar, M. C., Waters, E., & Wall, S. (1978). Patterns of attachment: A psychological study of the strange situation. Hillsdale, NJ: Lawrence Erlbaum Associates.