BowyerL. Ruth (1956). A normative study of sand tray worlds. Brit, psychol. Soc. Bull., 29, 23.
2.
JacksonL. (1949). A study of sado-masochistic attitudes in a group of delinquent girls by means of a specially designed projection test. Brit. J. med. Psychol., 22, 53.
3.
JacksonL. (1952). A test of family attitudes.London: Methuen.
4.
LowenfeldM. (1939). The world pictures of children: A method of recording and studying them. Brit. J. med. Psychol., 18, 65.
5.
PickfordR. W. (1950). New projection material for child therapy. Brit. Psychol. Soc. Bull., 1, 358.
6.
WellischE. (1949). The Rorschach method as an aid to the psychotherapy of an asthmatic child. Brit. J. med. Psychol., 22, 72.