Não informado. (2001). Direction of Trade Yearbook. International Monetary Fund.
Chicago (17e ed.) BronvermeldingNão informado. Direction of Trade Yearbook. Washington: International Monetary Fund, 2001.
MLA (8e ed.) BronvermeldingNão informado. Direction of Trade Yearbook. International Monetary Fund, 2001.
Let op: Deze citaties zijn niet altijd 100% accuraat.