United States. Bureau of Economic Analysis. "Gross Domestic Product: Third Quarter 2015 (Third Estimate) | Corporate Profits: Third Quarter 2015 (Revised Estimate) : Highlights: GDP Increases in Third Quarter, BEA 15-66,"
Bureau of Economic Analysis (BEA) News Releases
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https://fraser.stlouisfed.org/title/6148/item/602284/content/pdf/bea_newsreleases_20151222_release-highlights, accessed on July 13, 2025.