United States. Department of the Treasury. "U.S. And Slovenia Sign New Income Tax Treaty, June 21, 1999," in United States. Department of the Treasury. "Volume 376," Press Releases of the United States Department of the Treasury (May 3, 1999 - June 30, 1999) : 227-228. https://fraser.stlouisfed.org/title/6111/item/587219/toc/573352 , accessed on May 18, 2024.