Meyer, Brent and Bryan, Michael F. "Inflation and Prices : April Price Statistics," in Federal Reserve Bank of Cleveland. "Economic Trends - June 2008," Economic Trends (Federal Reserve Bank of Cleveland) (June 2008) : 2-3. https://fraser.stlouisfed.org/title/3952/item/493056/toc/505111 , accessed on April 19, 2024.