Beringuel, R. P. A study of the service load of public secondary school teachers in the City of Manila [microform]. Photoduplication Service.
Lua i Stíl Chicago (17ú heag.)Beringuel, Rosario Penaranda. A Study of the Service Load of Public Secondary School Teachers in the City of Manila [microform]. Quezon City: Photoduplication Service.
Lua MLA (9ú heag.)Beringuel, Rosario Penaranda. A Study of the Service Load of Public Secondary School Teachers in the City of Manila [microform]. Photoduplication Service.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.