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Lua i Stíl Chicago (17ú heag.)Fernandez, Rudy A. "The Nature Wonders Nurtured by Palawan's Underground River." Agriculture 2013.
Lua MLA (9ú heag.)Fernandez, Rudy A. "The Nature Wonders Nurtured by Palawan's Underground River." Agriculture, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.