Easterly, W. (1991). Economic stagnation, fixed factors and policy thresholds. Country Economics Department, World Bank.
Cita Chicago (17th ed.)Easterly, William. Economic Stagnation, Fixed Factors and Policy Thresholds. Washington, DC: Country Economics Department, World Bank, 1991.
Cita MLA (9th ed.)Easterly, William. Economic Stagnation, Fixed Factors and Policy Thresholds. Country Economics Department, World Bank, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.