United Nations. Statistical Division. (1997). 1996 international trade statistics yearbook =: 1996 annuaire statistique du commerce international. United Nations.
Citazione stile Chigago Style (17a edizione)United Nations. Statistical Division. 1996 International Trade Statistics Yearbook =: 1996 Annuaire Statistique Du Commerce International. New York: United Nations, 1997.
Citatione MLA (9a ed.)United Nations. Statistical Division. 1996 International Trade Statistics Yearbook =: 1996 Annuaire Statistique Du Commerce International. United Nations, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.