Villanueva, M. A. (2004). GMA slips past FPJ in Pulse Asia survey / Marichu Villanueva, et al. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Villanueva, Marichu A. "GMA Slips Past FPJ in Pulse Asia Survey / Marichu Villanueva, Et Al." Philippine Star 2004.
Lua MLA (9ú heag.)Villanueva, Marichu A. "GMA Slips Past FPJ in Pulse Asia Survey / Marichu Villanueva, Et Al." Philippine Star, 2004.
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