Villanueva, M. A. (2012). 'Leaked' documents?. IN Commonsense [column]. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Villanueva, Marichu A. "'Leaked' Documents?. IN Commonsense [column]." Philippine Star 2012.
Lua MLA (9ú heag.)Villanueva, Marichu A. "'Leaked' Documents?. IN Commonsense [column]." Philippine Star, 2012.
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