Williamson, J. (1994). Estimating equilibrium exchange rates: John Williamson. Institute for International Economics.
Tohutoru Kātū Chicago (17th ed.)Williamson, John. Estimating Equilibrium Exchange Rates: John Williamson. Washington: Institute for International Economics, 1994.
Tohutoro MLA (9th ed.)Williamson, John. Estimating Equilibrium Exchange Rates: John Williamson. Institute for International Economics, 1994.