United Nations. Statistical Division. (2001). Industrial commodity statistics yearbook =: Annuaire de statistiques industrielles par produit. United Nations, Dept. for Economic and Social Information and Policy Analysis, Statistical Division.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United Nations. Statistical Division. Industrial Commodity Statistics Yearbook =: Annuaire De Statistiques Industrielles Par Produit. New York: United Nations, Dept. for Economic and Social Information and Policy Analysis, Statistical Division, 2001.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)United Nations. Statistical Division. Industrial Commodity Statistics Yearbook =: Annuaire De Statistiques Industrielles Par Produit. United Nations, Dept. for Economic and Social Information and Policy Analysis, Statistical Division, 2001.