APA
Ahmed S., . (1980). Approaches to purchasing power parity and real product comparisons using short cuts and reduces information. Washington, D. C: World Bank.
Chicago
Ahmed Sulatn, . 1980. Approaches to purchasing power parity and real product comparisons using short cuts and reduces information. Washington, D. C: World Bank.
Harvard
Ahmed S., . (1980). Approaches to purchasing power parity and real product comparisons using short cuts and reduces information. Washington, D. C: World Bank.
MLA
Ahmed Sulatn, . Approaches to purchasing power parity and real product comparisons using short cuts and reduces information. Washington, D. C: World Bank. 1980.