AllenM (2010) Boundaries in psychotherapy: Therapist negotiation styles. Doctoral dissertation. Retrieved from PsycINFO (2012-99060-200). Michigan, MI: UMI Dissertation Publishing.
2.
FearnMO’ConnorR (2003) The whole is greater than the sum of its parts: Experiences of co-working as music therapists. British Journal of Music Therapy17(2): 67–75.
3.
TrevarthenC (2006) First things first: Infants make good use of the sympathetic rhythm of imitation, without reason or language. Journal of Child Psychotherapy31(1): 91–113.