United States. Bureau of Economic Analysis. "Merchandise Trade in the Third Quarter 1977 : Balance of Payments Basis, BEA 77-81,"
Bureau of Economic Analysis (BEA) News Releases
(October 28, 1977).
https://fraser.stlouisfed.org/title/6148/item/595696, accessed on March 22, 2025.
@FedFRASER