Meyer, Brent. "Economic Activity : Real GDP: Fourth-Quarter 2008 Preliminary Estimate," in Federal Reserve Bank of Cleveland. "Economic Trends - March 2009," Economic Trends (Federal Reserve Bank of Cleveland) (March 2009) : 22-23. https://fraser.stlouisfed.org/title/3952/item/493065/toc/505210 , accessed on April 25, 2024.