Flores, H. (2009). SWS: 86% of Metro Manila residents back RH bill. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Flores, Helen. "SWS: 86% of Metro Manila Residents Back RH Bill." Philippine Star 2009.
Lua MLA (9ú heag.)Flores, Helen. "SWS: 86% of Metro Manila Residents Back RH Bill." Philippine Star, 2009.
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