Alston, J.M., Norton, G.W., and Pardey, P.G.. Science Under Scarcity: Principles and Practice for Agricultural Research Evaluation and Priority Setting. Ithaca, NY: Cornell University Press, 1995.
Ciaschini, M.Input Output Analysis: Current Developments. New York: Chapman and Hall, 1988.
Clawson, M. and Knetsch, J. L.. Economics of Outdoor Recreation. Baltimore: Johns Hopkins University Press, 1966.
Hanley, N.D. “Valuing Rural Recreation Benefits: An Empirical Comparison of Two Approaches”. Journal of Agricultural Economics. 40(1989): 361–374.
Johnson, T. and Kambhampathy, M.. “Virginia Tech and the Community: A Summary of the University's Economic Effects”, Department of Agricultural and Applied Economics, Virginia Tech, 1993.
KPMG Peat Marwick. “Impact Study: Exploring the Role of the University of Pennsylvania School of Veterinary Medicine”, report prepared for the University of Pennsylvania, 1992.
Micro IMPLAN Group, MIG Technical Analysis Guide, Stillwater, Minnesota, 1994.
Spears, A. “An Assessment of the Expenditure-Based Impact of the Atlantic Veterinary College of the University of Prince Edward Island on the Local Economy”, Department of Economics, University of Prince Edward Island, August 1995.
Strong, E. “A Note on the Functional Form of Travel Cost Methods With Zones of Unequal Population”. Land Economics 59(1983): 342–349.