Não informado. (1969). Foreign economic trends and their implications for the United States. U.S. Department of Commerce.
Chicago (17e ed.) BronvermeldingNão informado. Foreign Economic Trends and Their Implications for the United States. Washington: U.S. Department of Commerce, 1969.
MLA (8e ed.) BronvermeldingNão informado. Foreign Economic Trends and Their Implications for the United States. U.S. Department of Commerce, 1969.
Let op: Deze citaties zijn niet altijd 100% accuraat.