McClelland D.C., Davidson R.J., Saron C. Evoked Potential Indicators of the Impact of the Need for Power on Perception and Learning. Unpublished Paper. Department of Psychology and Social Relations. Harvard University, 1979; цит. по: McClelland D.C. Some Reflections...; McClelland D.C., Ross G., Patel VT The Effect of an Examination on Salivary Norepinephrine and Immunoglobulin Levels // Journal of Human Stress. 1985. Vol. 11. P. 52-59.