United States. Bureau of Economic Analysis. "Gross Domestic Product: Third Quarter 2012 (Third Estimate) | Corporate Profits: Third Quarter 2012 (Revised Estimate) : Technical Note, BEA 12-59,"
Bureau of Economic Analysis (BEA) News Releases
(December 20, 2012).
https://fraser.stlouisfed.org/title/6148/item/601372/content/pdf/bea_newsreleases_20121220_technical-note, accessed on March 28, 2025.