Philippines (Republic) Laws, statutes, etc. (1977). Republic Act 1199; Hagna sang pag-agsahay sa panguma sa Pilipinas [microform]. Photoduplication Service, University of the Philippines Library.
Cita Chicago (17th ed.)Philippines (Republic) Laws, statutes, etc. Republic Act 1199; Hagna Sang Pag-agsahay Sa Panguma Sa Pilipinas [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
Cita MLA (9th ed.)Philippines (Republic) Laws, statutes, etc. Republic Act 1199; Hagna Sang Pag-agsahay Sa Panguma Sa Pilipinas [microform]. Photoduplication Service, University of the Philippines Library, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.