GadzellaB. M., GinterD. W., TomcalaM., & BryantG. W. (1990). Stress as perceived by professionals. Psychological Reports, 67, 979–983.
2.
McWilliamsJ., & SchnorrJ. K. (1988). Evaluation of stress levels of professionals. Paper presented at the Annual Meeting of the Western Psychological Association, Burlingame, CA.
3.
SchnorrJ. K., & McWilliamsJ. M. (1991). Stress levels of professionals using the TSSL.Unpublished manuscript, Northern Arizona University, Flagstaff, AZ: Department of Psychology.
4.
Statistical Abstract of the United States, 112th Ed. (1992). U.S. Bureau of the Census, Washington, DC: U.S. Government Printing Office.