Style de citation APA (7e éd.)
(1980). U.S. trade with Puerto Rico and U.S. possessions: June 1980. U.S. Department of Commerce.
Style de citation Chicago (17e éd.)
U.S. Trade with Puerto Rico and U.S. Possessions: June 1980. Washington: U.S. Department of Commerce, 1980.
Style de citation MLA (9e éd.)
U.S. Trade with Puerto Rico and U.S. Possessions: June 1980. U.S. Department of Commerce, 1980.
Attention : ces citations peuvent ne pas être correctes à 100%.