著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"Mangahas, Mahar and Guerrero, Linda Luz and Sandoval, Gerardo A. and Social Weather Stations (Institute)","Opinion Polling and National Elections in the Philippines, 1992-2001",,Social Weather Stations,2001,SWS occasional paper,,,,https://cir.nii.ac.jp/crid/1130282273366802432