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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিUnited 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.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিUnited 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.