Board of Governors of the Federal Reserve System (U.S.), 1935-. "The 2007 Federal Reserve Payments Study : Noncash Payment Trends in the United States: 2003 — 2006 (Summary Report)," Federal Reserve Payments Study (December 10, 2007). https://fraser.stlouisfed.org/title/6092/item/584823, accessed on November 15, 2024.