Sison, T. V. (1979). The behavior profile of the grade one pupils in Bagong Pag-asa Elementary School, school year 1971-72 [microform]. Photoduplication Service, University of the Philippines Library.
Lua i Stíl Chicago (17ú heag.)Sison, Trinidad Valerio. The Behavior Profile of the Grade One Pupils in Bagong Pag-asa Elementary School, School Year 1971-72 [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1979.
Lua MLA (9ú heag.)Sison, Trinidad Valerio. The Behavior Profile of the Grade One Pupils in Bagong Pag-asa Elementary School, School Year 1971-72 [microform]. Photoduplication Service, University of the Philippines Library, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.