Johns Hopkins Conference on Work, Health, and Productivity (1987 : Aspen Institute, Wye Plantation), Baker, F., & Green, G. M. (1991). Work, health, and productivity. Oxford University Press.

Johns Hopkins Conference on Work, Health, and Productivity (1987 : Aspen Institute, Wye Plantation), Frank Baker, and Gareth M. Green. Work, Health, and Productivity. Oxford: Oxford University Press, 1991.

Johns Hopkins Conference on Work, Health, and Productivity (1987 : Aspen Institute, Wye Plantation), et al. Work, Health, and Productivity. Oxford University Press, 1991.