United States. Bureau of Economic Analysis. "1999 State Per Capita Personal Income and State Personal Income (Preliminary) | Revised Estimates: 1969-Third Quarter 1999, BEA 00-11,"
Bureau of Economic Analysis (BEA) News Releases
(May 17, 2000).
https://fraser.stlouisfed.org/title/6148/item/597730, accessed on June 13, 2025.