Bowlby, J., & Ainsworth, M. D. S. (1966). Maternal care and mental health: A report prepared on behalf of the World Health Organization as a contribution to the United Nations programme for the welfare of homeless children. Schocken Books.

Bowlby, John, and Mary D. Salter Ainsworth. Maternal Care and Mental Health: A Report Prepared on Behalf of the World Health Organization as a Contribution to the United Nations Programme for the Welfare of Homeless Children. New York: Schocken Books, 1966.

Bowlby, John, and Mary D. Salter Ainsworth. Maternal Care and Mental Health: A Report Prepared on Behalf of the World Health Organization as a Contribution to the United Nations Programme for the Welfare of Homeless Children. Schocken Books, 1966.