1. Allerhand, M., F. Friedlander, J. Marione, H. Meadow, and M. Rosenberg, 1969, A study of the Impact and Effectiveness of the Comprehensive Manpower Project of Cleveland, Washington, DC: Department of Labour.
2. Argyle, M., 1983, The Social Psychology of Work, Harmondsworth, Middlesex: Pengu in Books.
3. Bakke, E.W., 1933, The Unemployed Man: A Social Study, London: Nisbett.
4. Bakke, E.W., 1940, Citizens Without Work, New Haven, CT: Yale University Press.
5. Banks, M., C. Clegg, and P. Jackson, 1982, Unemployment and risk of minor psychiatric disorder in young people: Cross sectional and longitudinal evidence, Psychological Medicine, 12, 789–798.