Bowlby, R., & King, P. (2004). Fifty years of attachment theory. Karnac on behalf of the Winnicott Clinic of Psychotherapy.

Bowlby, Richard, and Pearl King. Fifty Years of Attachment Theory. London: Karnac on behalf of the Winnicott Clinic of Psychotherapy, 2004.

Bowlby, Richard, and Pearl King. Fifty Years of Attachment Theory. Karnac on behalf of the Winnicott Clinic of Psychotherapy, 2004.