1. Cade, B.W., The use of paradox in therapy. In S. Walrond-Skinner (Ed.)Family and marital psychotherapy: A critical approach. London: Routledge & Kegan Paul, 1979.
2. Erickson, M.H., & Rossi, E.L.Hypnotherapy: An exploratory casebook. New York: Irvington Publishers, Inc., 1979.
3. Palazzoli, M.S., Boscolo, L., Cecchin, G., & Prata, G.Paradox and counterparadox: A new model for the therapy of the family in schizophrenic transaction. Paper given to the Fifth International Symposium on the Psychotherapy of Schizophrenia, Oslo, 1975.
4. Palazzoli, M.S., Boscolo, L., Cecchin, G., & Prata, G.Paradox and counterparadox. New York: Jason Aronson, 1978.
5. Watzlawick, P., Weakland, J.H., & Fisch, R.Change: Principles of problem formation and problem resolution. New York: W.W. Norton and Co. Inc., 1974.