APA (7e ed.) Bronvermelding

International Monetary Fund. (1981). Direction of trade statistics. International Monetary Fund.

Chicago (17e ed.) Bronvermelding

International Monetary Fund. Direction of Trade Statistics. Washington, D.C.: International Monetary Fund, 1981.

MLA (8e ed.) Bronvermelding

International Monetary Fund. Direction of Trade Statistics. International Monetary Fund, 1981.

Let op: Deze citaties zijn niet altijd 100% accuraat.