Ong, C. N. O. (2018). 3 Sandigan divisions say no to Napoles to WPP. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)Ong, Czarina Nicole O. "3 Sandigan Divisions Say No to Napoles to WPP." Manila Bulletin 2018.
Lua MLA (9ú heag.)Ong, Czarina Nicole O. "3 Sandigan Divisions Say No to Napoles to WPP." Manila Bulletin, 2018.
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