Mangahas, M. (1998). SWS surveys on the 1998 national elections. Social Weather Stations.
Chicago Style (17. basım) AtıfMangahas, Mahar. SWS Surveys on the 1998 National Elections. [Diliman, Quezon City], Philippines: Social Weather Stations, 1998.
MLA (9th ed.) AtıfMangahas, Mahar. SWS Surveys on the 1998 National Elections. Social Weather Stations, 1998.
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