References
- Morgan , A. H. and Hilgard , J. R. 1979 . The Stanford Hypnotic Clinical Scale: Adult . American Journal of Clinical Hypnosis , 21 : 134 – 147 .
- Spiegel , H. and Bridger , A. A. 1970 . Manual for Hypnotic Induction Profile , New York : Soni Medica .