Feldman, Robert A., 1949- and Proctor, Allen J. "U.S. International Trade in Services," in Federal Reserve Bank of New York. Research and Statistics Group. "Spring 1983, Vol. 8, No. 1," Economic Policy Review (Federal Reserve Bank of New York) (Spring 1983) : 32-38. https://fraser.stlouisfed.org/title/1170/item/2980/toc/85819 , accessed on May 9, 2024.