Cita APA (7th ed.)

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.

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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