1. Agenor, P. R., & Haque, N. U. (1996). Macroeconomic management with informal financial markets. International Journal of Finance and Economics, 1(2), 87–101.
2. Occasional Papers;Akira Ariyoshi,2000
3. Bank for International Settlements (BIS). (various issues). Triennial Central Bank Survey of foreign exchange and derivative market activity. Basel: Bank for International Settlements.
4. Buehn, A., & Eichler, S. (2011). Trade misinvoicing: The dark side of world trade. The World Economy, 34(8), 1263–1287.
5. Canales-Kriljenko, J. I. (2004). Foreign exchange market organization in selected developing and transition economies: Evidence from a survey. IMF working paper WP/04/4. Washington, DC: International Monetary Fund.