APA (7e ed.) Bronvermelding

Não informado. (2002). Industrial Commodity Statistics Yearbook. United Nations.

Chicago (17e ed.) Bronvermelding

Não informado. Industrial Commodity Statistics Yearbook. New York: United Nations, 2002.

MLA (8e ed.) Bronvermelding

Não informado. Industrial Commodity Statistics Yearbook. United Nations, 2002.

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