APA (7e ed.) Bronvermelding

Não informado. (2001). International Trade Statistics Yearbook. United Nations.

Chicago (17e ed.) Bronvermelding

Não informado. International Trade Statistics Yearbook. New York: United Nations, 2001.

MLA (8e ed.) Bronvermelding

Não informado. International Trade Statistics Yearbook. United Nations, 2001.

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