National Research Council (U.S.). Committee on Education Finance, Ladd, H. F., Chalk, R. A., & Hansen, J. S. (1999). Equity and adequacy in education finance: Issues and perspectives. National Academy Press.

National Research Council (U.S.). Committee on Education Finance, Helen F. Ladd, Rosemary A. Chalk, and Janet S. Hansen. Equity and Adequacy in Education Finance: Issues and Perspectives. Washington, D.C.: National Academy Press, 1999.

National Research Council (U.S.). Committee on Education Finance, et al. Equity and Adequacy in Education Finance: Issues and Perspectives. National Academy Press, 1999.