International Monetary Fund. (1989). A Systems Approach to Estimating the Natural Rate of Unemployment and Potential Output for the United States. International Monetary Fund.
Cita Chicago (17th ed.)International Monetary Fund. A Systems Approach to Estimating the Natural Rate of Unemployment and Potential Output for the United States. Washington, D.C.: International Monetary Fund, 1989.
Cita MLA (8th ed.)International Monetary Fund. A Systems Approach to Estimating the Natural Rate of Unemployment and Potential Output for the United States. International Monetary Fund, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.