1. Benner P. (1984). From novice to expert: Excellence and power in clinical nursing practice. Menlo Park CA: Addision Wesley.
2. Brent S. Speece M. Gates M. & Kaul M. (1993). The contribution of death-related experiences to health care providers' attitudes toward dying patients. II. Medical and nursing students with no professional experience. Omega 26 181-205.
3. Brent S. Speece M. Gates M. Mood D. & Kaul M. (1991). The contribution of death-related experiences to health care providers' attitudes toward dying patients. I. Graduate and undergraduate nursing students. Omega 23 249-278.
4. Colaizzi P. (1978). Psychological research as the phenomenologist views it. In R. Valle & M. King (Eds.) Existential phenomenological alternatives for psychology. New York: Oxford University Press.
5. Collett L. & Lester D. (1969). The fear of death and the fear of dying. Journal of Psychology 72 179-181.