APA
Gulde A. M., Schulze-Ghattas M., . (1992). Aggregation of economic indicators acress countries: exchange rate versus PPP based GDP weights. Washington: International Monetary Fund.
Chicago
Gulde Anne Marie, Schulze-Ghattas Marianne, . 1992. Aggregation of economic indicators acress countries: exchange rate versus PPP based GDP weights. Washington: International Monetary Fund.
Harvard
Gulde A. M., Schulze-Ghattas M., . (1992). Aggregation of economic indicators acress countries: exchange rate versus PPP based GDP weights. Washington: International Monetary Fund.
MLA
Gulde Anne Marie, Schulze-Ghattas Marianne, . Aggregation of economic indicators acress countries: exchange rate versus PPP based GDP weights. Washington: International Monetary Fund. 1992.