Dizon, A. F. (1977). The Colombo Plan and the Philippine technical training program: 1954 to June 30, 1963 [microform]. Photoduplication Service.
Lua i Stíl Chicago (17ú heag.)Dizon, Aurora F. The Colombo Plan and the Philippine Technical Training Program: 1954 to June 30, 1963 [microform]. Quezon City: Photoduplication Service, 1977.
Lua MLA (9ú heag.)Dizon, Aurora F. The Colombo Plan and the Philippine Technical Training Program: 1954 to June 30, 1963 [microform]. Photoduplication Service, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.