1. Ainsworth, M. D. S. (1967). Infancy in Uganda: Infant care and the growth of love. Baltimore, MD: Johns Hopkins University Press.
2. Ainsworth, M. D. S. & Bell, S. M. (1969). Some contemporary patterns in the feeding situation. In A. Ambrose (Ed.), Stimulation in early infancy (pp. 133–170). London: Academic Press.
3. Bowlby, J. (1988). Secure base: Parent–child attachment and healthy human development. London: Routledge.
4. SYNERGY OF VERBAL AND NON-VERBAL THERAPIES IN THE TREATMENT OF MOTHER-INFANT RELATIONSHIPS
5. Nonverbal assessment of family systems: A preliminary study