United States. Bureau of Economic Analysis. "Merchandise Trade in the First Quarter 1973 : Balance of Payments Basis, BEA 73-26,"
Bureau of Economic Analysis (BEA) News Releases
(April 26, 1973).
https://fraser.stlouisfed.org/title/6148/item/597059, accessed on March 22, 2025.
@FedFRASER