Bengzon, R. C. (1975). Teaching of music in eight central and eight barrio elementary schools, Division of Ilocos Norte, 1970-71 [microform]. Photoduplication Service, University of the Philippines Library.
Lua i Stíl Chicago (17ú heag.)Bengzon, Ramona C. Teaching of Music in Eight Central and Eight Barrio Elementary Schools, Division of Ilocos Norte, 1970-71 [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1975.
Lua MLA (9ú heag.)Bengzon, Ramona C. Teaching of Music in Eight Central and Eight Barrio Elementary Schools, Division of Ilocos Norte, 1970-71 [microform]. Photoduplication Service, University of the Philippines Library, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.