Clavio, S. T. A study of the development of the Philippine constitution [microform]. Photoduplication Service.
Lua i Stíl Chicago (17ú heag.)Clavio, Sofronio Tapang. A Study of the Development of the Philippine Constitution [microform]. Quezon City: Photoduplication Service.
Lua MLA (9ú heag.)Clavio, Sofronio Tapang. A Study of the Development of the Philippine Constitution [microform]. Photoduplication Service.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.