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Lua i Stíl Chicago (17ú heag.)Estrada, Eric. "Quadruplets Born ; 3 Die After Hospital Runaround." Manila Times 2003.
Lua MLA (9ú heag.)Estrada, Eric. "Quadruplets Born ; 3 Die After Hospital Runaround." Manila Times, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.