United States. Bureau of Economic Analysis. "Personal Income and Outlays, May 2021 : Full Release, BEA 21-30,"
Bureau of Economic Analysis (BEA) News Releases
(June 25, 2021).
https://fraser.stlouisfed.org/title/6148/item/604397/content/pdf/bea_newsreleases_20210625a, accessed on March 22, 2025.