Villacorta, A. S. (1976). Current practices in school athletics in fourteen public secondary schools in Manila. University of the Philippines Library.
Lua i Stíl Chicago (17ú heag.)Villacorta, Aurora Sevilla. Current Practices in School Athletics in Fourteen Public Secondary Schools in Manila. Quezon City: University of the Philippines Library, 1976.
Lua MLA (9ú heag.)Villacorta, Aurora Sevilla. Current Practices in School Athletics in Fourteen Public Secondary Schools in Manila. University of the Philippines Library, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.