United States. Bureau of Economic Analysis. "Gross Domestic Product: Second Quarter 2014 (Second Estimate) | Corporate Profits: Second Quarter 2014 (Preliminary Estimate), BEA 14-40,"
Bureau of Economic Analysis (BEA) News Releases
(August 28, 2014).
https://fraser.stlouisfed.org/title/6148/item/602119, accessed on March 26, 2025.