United States. Department of Commerce and United States. Bureau of Economic Analysis. "Table of Contents and Introductory Material," in United States. Department of Commerce and United States. Bureau of Economic Analysis. "1989 Benchmark Survey, Final results" in U.S. Direct Investment Abroad : Benchmark Survey, Final Results (October 1992) : 1-6. https://fraser.stlouisfed.org/title/336/item/6341/toc/168364 , accessed on April 19, 2024.