United States. Bureau of Economic Analysis. "Personal Income and Outlays: February 2008 : Highlights: Personal Income Rises 0.5% in February, BEA 08-13,"
Bureau of Economic Analysis (BEA) News Releases
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https://fraser.stlouisfed.org/title/6148/item/600446/content/pdf/bea_newsreleases_20080328_highlights, accessed on July 17, 2025.