United States. Bureau of Economic Analysis. "Personal Income and Outlays: March 2008 : Full Release, BEA 08-19," Bureau of Economic Analysis (BEA) News Releases (May 1, 2008). https://fraser.stlouisfed.org/title/6148/item/600452/content/pdf/bea_newsreleases_20080501, accessed on March 27, 2025.