1. Bowles S. and Gintis H., Schooling in Capitalist America, Basic Books, New York, pp. 164–173, 1977.
2. Page J. and O'Brien M.W., Bitter Wages, Grossman, New York, pp. 50–59, 1973.
3. Berman D., Death on the Job, Monthly Review Press, New York, pp. 21–23, 1978.
4. Historical Origins of the Health Belief Model