Enriko, E. D. (1976). Panagballigi iti napanglaw [microform]. Photoduplication Service.
Chicago Style (17th ed.) CitationEnriko, Eugenio Direkto. Panagballigi Iti Napanglaw [microform]. Quezon City: Photoduplication Service, 1976.
MLA (9th ed.) CitationEnriko, Eugenio Direkto. Panagballigi Iti Napanglaw [microform]. Photoduplication Service, 1976.
Warning: These citations may not always be 100% accurate.