Günter, M. (2007). Playing the unconscious: Psychoanalytic interviews with children using Winnicott's squiggle technique. Karnac.

Günter, Michael. Playing the Unconscious: Psychoanalytic Interviews with Children Using Winnicott's Squiggle Technique. London ; New York: Karnac, 2007.

Günter, Michael. Playing the Unconscious: Psychoanalytic Interviews with Children Using Winnicott's Squiggle Technique. Karnac, 2007.