1. Cabral, G. (1984). Psychological types in a Catholic convent: applications to community living and congregational data. Journal of Psychological Type, 8, 16–22.
2. Cattell, R. B., Eber, H. W., & Tatsuoka, M. M. (1970). Handbook for the sixteen personality factor questionnaire (16PF). Champaign: Institute for Personality and Ability Testing.
3. Costa, P. T., & McCrae, R. R. (1985). The NEO personality inventory. Odessa: Psychological Assessment Resources.
4. Eysenck, H. J., & Eysenck, S. B. G. (1975). Manual of the eysenck personality questionnaire (adult and junior). London: Hodder and Stoughton.
5. Francis, L. J. (1991). The personality characteristics of Anglican ordinands: feminine men and masculine women? Personality and Individual Differences, 12, 1133–1140.