1. Allport, G. W. (1937).Personality: A psychological interpretation. New York: Henry Holt.
2. Allport, G. W. (1962). Pattern and growth in personality.New York: Holt, Rinehart, &Winstoti.
3. Some Old and New Directions in Rorschach Testing
4. Beck, S. J. (1944-1945). Rorschach's test.New York: Grune & Stratton.
5. Beck, S. J. (1976). The Rorschach test.New York: Stratton Intercontinental Medical Book Corporation.