Citazione Stile APA (7a Edizione)
(1961). United States imports of merchandise for consumption: Country of origin by subgroup. Ft. 120. U.S. Department of Commerce.
Citazione stile Chigago Style (17a edizione)
United States Imports of Merchandise for Consumption: Country of Origin by Subgroup. Ft. 120. Washington: U.S. Department of Commerce, 1961.
Citatione MLA (9a ed.)
United States Imports of Merchandise for Consumption: Country of Origin by Subgroup. Ft. 120. U.S. Department of Commerce, 1961.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.