United States. Bureau of Economic Analysis. "Personal Income and Outlays, February 2021 : Full Release, BEA 21-12," Bureau of Economic Analysis (BEA) News Releases (March 26, 2021). https://fraser.stlouisfed.org/title/6148/item/601660/content/pdf/bea_newsreleases_20210326a, accessed on July 8, 2025.