Escrin, M. C. (1974). The status of adult and community education in Agusan del Sur [microform]. Photoduplication Service, University of the Philippines Library.
Lua i Stíl Chicago (17ú heag.)Escrin, Magno C. The Status of Adult and Community Education in Agusan Del Sur [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.
Lua MLA (9ú heag.)Escrin, Magno C. The Status of Adult and Community Education in Agusan Del Sur [microform]. Photoduplication Service, University of the Philippines Library, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.