Monthly summary of commerce of the island of Puerto Rico, with comparative tables of imports and exports by articles and countries.
APA Citation
United States. Bureau of Insular Affairs. Monthly summary of commerce of the island of Puerto Rico, with comparative tables of imports and exports by articles and countries. Washington: Govt. Print. Off.
MLA Citation
United States. Bureau of Insular Affairs. Monthly Summary of Commerce of the Island of Puerto Rico, With Comparative Tables of Imports And Exports by Articles And Countries. Washington: Govt. Print. Off,
Warning: These citations may not always be complete (especially for serials).