1. The place of attachment in development;Sroufe,2016
2. Bowlby J. Attachment and loss Vol. 3 (1). Basic Books; 1969/1982.
3. Infancy in Uganda. Infant care and the growth of love;Ainsworth,1967
4. Attachment Relationships in the Context of Multiple Caregivers;Howes,1999
5. The Nature of the Child Ties;Cassidy,1999