1. Patterns of attachment: A psychological study of the Strange Situation;Ainsworth,1978
2. Early Childhood Education Report 2014;Akbari,2014
3. Baginsky, M., Gorin, S., & Sands, S. (2017). The fostering system in England: Evidence review Research report. DfE, DFE-RR679.
4. Boddy, J. (2013) Understanding permanence for looked after children: A review of research for the Care Inquiry available at http://sro.sussex.ac.uk/id/eprint/44711/1/Boddy_2013_Understanding_Permanence.pdf Accessed 1 May 2020.
5. Maternal care and mental health;Bowlby;Bulletin of the World Health Organization,1951