Philippine Islands, Legislature. Senate. (1977). Directorio oficial del Senado de Filipinas [microform]. Photoduplication Service. University of the Philippines Library.
Chicago Style (17th ed.) CitationPhilippine Islands, Legislature. Senate. Directorio Oficial Del Senado De Filipinas [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA (9th ed.) CitationPhilippine Islands, Legislature. Senate. Directorio Oficial Del Senado De Filipinas [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Warning: These citations may not always be 100% accurate.