UPSEC newsletter. U.P. Science Education Center.
Lua i Stíl Chicago (17ú heag.)UPSEC Newsletter. Quezon City: U.P. Science Education Center.
Lua MLA (9ú heag.)UPSEC Newsletter. U.P. Science Education Center.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.