Krueger, R., & Kovarich, E. (2006). Some Principles for Development of Statistics for a Gulf Cooperation Council Currency Union. International Monetary Fund.
Παραπομπή σε μορφή Chicago (17η εκδ.)Krueger, Russell, και Ettore Kovarich. Some Principles for Development of Statistics for a Gulf Cooperation Council Currency Union. Washington, D.C.: International Monetary Fund, 2006.
Παραπομπή σε μορφή MLA (8th εκδ.)Krueger, Russell, και Ettore Kovarich. Some Principles for Development of Statistics for a Gulf Cooperation Council Currency Union. International Monetary Fund, 2006.
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