Hervey, Jack L. "The Internationalization of U.S. Agriculture," in Federal Reserve Bank of Chicago. "September/October 1981, Volume V, Issue 5," Economic Perspectives (Federal Reserve Bank of Chicago) (September/October 1981) : 14-17. https://fraser.stlouisfed.org/title/5288/item/552424/toc/521756 , accessed on March 29, 2024.