Ahmad, S. (1980). Approaches to purchasing power parity and real product comparisons using shortcuts and reduced information. World Bank.
Dyfyniad Arddull ChicagoAhmad, Sultan. Approaches to Purchasing Power Parity and Real Product Comparisons Using Shortcuts and Reduced Information. Washington, D.C. (1818 H St., N.W., Washington 20433): World Bank, 1980.
Dyfyniad MLAAhmad, Sultan. Approaches to Purchasing Power Parity and Real Product Comparisons Using Shortcuts and Reduced Information. World Bank, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.