Cita APA (7a ed.)
(1979). U. S. Exports: Schedule E commodity groupings : schedule E commodity by country : quantity and value : current and cumulative. U.S. Department of Commerce.
Cita Chicago Style (17a ed.)
U. S. Exports: Schedule E Commodity Groupings : Schedule E Commodity by Country : Quantity and Value : Current and Cumulative. Washington: U.S. Department of Commerce, 1979.
Cita MLA (9a ed.)
U. S. Exports: Schedule E Commodity Groupings : Schedule E Commodity by Country : Quantity and Value : Current and Cumulative. U.S. Department of Commerce, 1979.
Precaución: Estas citas no son 100% exactas.