United States.Bureau of Insular Affairs. (1977). Foreign commerce of the Philippine Islands [microform]. Photoduplication Service. University of the Philippines Library.
Chicago Style (17th ed.) CitationUnited States.Bureau of Insular Affairs. Foreign Commerce of the Philippine Islands [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA (9th ed.) CitationUnited States.Bureau of Insular Affairs. Foreign Commerce of the Philippine Islands [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Warning: These citations may not always be 100% accurate.