Reciprocal Tax Exemptions Of Shipping and Aircraft Income, August 14, 1989, Release Number nb-420
United States. Department of the Treasury. "Reciprocal Tax Exemptions Of Shipping and Aircraft Income, August 14, 1989, Release Number nb-420," in United States. Department of the Treasury. "Volume 292," Press Releases of the United States Department of the Treasury (August 1, 1989 - September 21, 1989) : 171-172. https://fraser.stlouisfed.org/title/6111/item/587135/toc/535891 , accessed on May 17, 2024.