Escrin, M. C. (1974). The status of adult and community education in Agusan del Sur [microform]. Photoduplication Service, University of the Philippines Library.
Chicago-referens (17:e uppl.)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.
MLA-referens (9:e uppl.)Escrin, Magno C. The Status of Adult and Community Education in Agusan Del Sur [microform]. Photoduplication Service, University of the Philippines Library, 1974.
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