Federal Reserve Bank of St. Louis. "Definitions, Notes, and Sources," in Federal Reserve Bank of St. Louis. "July 2007," Monetary Trends (July 2007) : 18-20. https://fraser.stlouisfed.org/title/6264/item/599802/toc/576000 , accessed on May 4, 2024.
Federal Reserve Bank of St. Louis. "Definitions, Notes, and Sources," in Federal Reserve Bank of St. Louis. "July 2007," Monetary Trends (July 2007) : 18-20. https://fraser.stlouisfed.org/title/6264/item/599802/toc/576000 , accessed on May 4, 2024.