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Lua i Stíl Chicago (17ú heag.)Valino, Amada T. "Davao Firm Affirms Policy of Corporatesocial Responsibility." Manila Bulletin 2001.
Lua MLA (9ú heag.)Valino, Amada T. "Davao Firm Affirms Policy of Corporatesocial Responsibility." Manila Bulletin, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.