1. Ackerman, N.W., 1958, “The Psychodynamics of Family Life”, Basic Books, New York
2. Behrens, M.L., Meyers, D.I., Goldfarb, W., Goldfarb, N., and Fieldsteel, N.D., 1969, The Henry Ittleson Center Family Interaction Scales, Genet. Psychol. Monog. 80: 203–295
3. Bentovim, A., and Kinston, W., 1978, Brief focal family therapy when the child is the referred patient, 1. Clinical. J. Child Psychol. Psychiat. 19: 1–12
4. Bloch, D., 1973, “Techniques of Family Psychotherapy: A Primer”. Grune and Stratton, New York
5. Carr, J.E., and Whittenbaugh, J.A., 1968, Volunteer and non-volunteer characteristics in an out-patient population. J. Abnorm. Psychol. 73: 16–17