LevensonH.Activism and powerful others: Distinctions within the concept of internal-external control. Journal of Personality Assessment, 1974, 38, 377–383.
2.
MacDonaldA. P.Internal-external locus-of-control and the practice of birth control. Psychological Reports, 1970, 27, 206.
3.
PharesE. J.Locus of control in personality. Morristown, N. J.: General Learning Press, 1976.
4.
ShortellS. M.RichardsonW. C.Health program evaluation. Saint Louis, MO: Mosby, 1978.
