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Lua i Stíl Chicago (17ú heag.)Castro, Eddee RH. "P500-M Textbook Awards Scrapped." Manila Bulletin 1998.
Lua MLA (9ú heag.)Castro, Eddee RH. "P500-M Textbook Awards Scrapped." Manila Bulletin, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.