United States. (1977). Customs tariff of the Philippine Islands, 1909: Notes on tariff revision. University of the Philippines Library.
Chicago Style (17th ed.) CitationUnited States. Customs Tariff of the Philippine Islands, 1909: Notes on Tariff Revision. Quezon City: University of the Philippines Library, 1977.
MLA (9th ed.) CitationUnited States. Customs Tariff of the Philippine Islands, 1909: Notes on Tariff Revision. University of the Philippines Library, 1977.
Warning: These citations may not always be 100% accurate.