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Lua i Stíl Chicago (17ú heag.)Cruz, Isagani A. "Humility in Greatness. IN Separate Opinion [column]." Philippine Daily Inquirer 2002.
Lua MLA (9ú heag.)Cruz, Isagani A. "Humility in Greatness. IN Separate Opinion [column]." Philippine Daily Inquirer, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.