United States. Bureau of Economic Analysis. "Personal Income and Outlays: July 2015 : Highlights: Personal Income Rises in July, BEA 15-39,"
Bureau of Economic Analysis (BEA) News Releases
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https://fraser.stlouisfed.org/title/6148/item/602257/content/pdf/bea_newsreleases_20150828_release-highlights, accessed on July 9, 2025.