Não informado. (1969). Foreign economic trends and their implications for the United States. U.S. Department of Commerce.
Chicago-viite (17. p.)Não informado. Foreign Economic Trends and Their Implications for the United States. Washington: U.S. Department of Commerce, 1969.
MLA-viite (8. p.)Não informado. Foreign Economic Trends and Their Implications for the United States. U.S. Department of Commerce, 1969.
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