International Monetary Fund. Statistics Dept. (1968). International Financial Statistics: International Financial Statistics, December 1968. International Monetary Fund.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Monetary Fund. Statistics Dept. International Financial Statistics: International Financial Statistics, December 1968. Washington, D.C.: International Monetary Fund, 1968.
Παραπομπή σε μορφή MLA (8th εκδ.)International Monetary Fund. Statistics Dept. International Financial Statistics: International Financial Statistics, December 1968. International Monetary Fund, 1968.
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