1. The Use of ‘Seasonal or Casual’ Labour in Agriculture and Horticulture: Some Survey Findings;Ball;Agricultural Manpower,1986
2. Intermittent Labour Forms in the U.K. Agriculture: Some Implications for Rural Areas;Ball;Journal of Rural Studies,1987
3. Cherrington, J. (1981). The Growth of Contract Labour, Financial Times, 7th January, P.27.
4. Cunningham, J. (1981). A New Workforce Grasping at Straws, Guardian, 20th July.