World Bank, Schiff, M. W., Valdés, A., & Krueger, A. O. (1991). The political economy of agricultural pricing policy. Published for the World Bank by Johns Hopkins University Press.

World Bank, Maurice W. Schiff, Alberto Valdés, and Anne O. Krueger. The Political Economy of Agricultural Pricing Policy. Baltimore: Published for the World Bank by Johns Hopkins University Press, 1991.

World Bank, et al. The Political Economy of Agricultural Pricing Policy. Published for the World Bank by Johns Hopkins University Press, 1991.