(1902). Tariff Decision Circulars No.163: Bamboo steel--not crucible. Manila, September 15, 1902. Official Gazette.
Citazione stile Chigago Style (17a edizione)"Tariff Decision Circulars No.163: Bamboo Steel--not Crucible. Manila, September 15, 1902." Official Gazette 1902.
Citatione MLA (9a ed.)"Tariff Decision Circulars No.163: Bamboo Steel--not Crucible. Manila, September 15, 1902." Official Gazette, 1902.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.