Não informado. (1969). Foreign economic trends and their implications for the United States. U.S. Department of Commerce.
Chicago-referens (17:e uppl.)Não informado. Foreign Economic Trends and Their Implications for the United States. Washington: U.S. Department of Commerce, 1969.
MLA-referens (8:e uppl.)Não informado. Foreign Economic Trends and Their Implications for the United States. U.S. Department of Commerce, 1969.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.