United States. Department of the Treasury. "Emergency Embargo Authority Is Extended, September 12, 1978," in United States. Department of the Treasury. "Volume 216," Press Releases of the United States Department of the Treasury (August 1, 1978 - September 15, 1978) : 562-563. https://fraser.stlouisfed.org/title/6111/item/587059/toc/530263 , accessed on December 2, 2023.
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