United States. Bureau of Economic Analysis. "Personal Income and Outlays: July 2019 : Historical Comparison, BEA 19-42,"
Bureau of Economic Analysis (BEA) News Releases
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https://fraser.stlouisfed.org/title/6148/item/602814/content/pdf/bea_newsreleases_20190830_historical-comparison, accessed on June 15, 2025.