U.S. Laws, statutes, etc., 1909 (61st Cong., 1st Sess.). (1977). Customs tariff of the Philippine Islands, 1909; notes on tariff revision; customs tariff of 1905 [microform]. Photoduplication Service, University of the Philippines Library.
Chicago Style (17th ed.) CitationU.S. Laws, statutes, etc., 1909 (61st Cong., 1st Sess.). Customs Tariff of the Philippine Islands, 1909; Notes on Tariff Revision; Customs Tariff of 1905 [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
MLA (9th ed.) CitationU.S. Laws, statutes, etc., 1909 (61st Cong., 1st Sess.). Customs Tariff of the Philippine Islands, 1909; Notes on Tariff Revision; Customs Tariff of 1905 [microform]. Photoduplication Service, University of the Philippines Library, 1977.