Villanueva, M. A., & Calica, A. (2003). GMA: US court stepping on RP's sovereignty. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Villanueva, Marichu A., agus Aurea Calica. "GMA: US Court Stepping on RP's Sovereignty." Philippine Star 2003.
Lua MLA (9ú heag.)Villanueva, Marichu A., agus Aurea Calica. "GMA: US Court Stepping on RP's Sovereignty." Philippine Star, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.