1. Barabasz A., Watkins J.G. (2005). Hypnotherapeutic Techniques, 2nd Edn. New York: Brunner-Routledge.
2. The hypnotic dream: Its relation to nocturnal dreams and waking fantasies.
3. Breuer J., Freud S. (1967). Studi sull’isteria, in Opere, vol. 1, p. 266. Torino: Boringhieri.
4. Brown D.P., Fromm E. (1986). Hypnotherapy and hypnoanalysis. Hillsdale: N.J.
5. Chertock L. (1990). Ipnosi e suggestione. Bari: Laterza.