Vallisuta, P. (1977). The Catbalogan series in Western Samar Island, Philippines [microform]. Photoduplication Service. University of the Philippines Library.
Chicago Style (17th ed.) CitationVallisuta, Pong-Ake. The Catbalogan Series in Western Samar Island, Philippines [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA (9th ed.) CitationVallisuta, Pong-Ake. The Catbalogan Series in Western Samar Island, Philippines [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Warning: These citations may not always be 100% accurate.