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 Philippines. Bureau of Mines and Geo-Sciences. Map and Mineral Resources Compilation Team,Mineral resources of Rizal Province,,"Mines Regional Office No. IV, Bureau of Mines and Geo-Sciences",1980,Report of investigation,,,,https://cir.nii.ac.jp/crid/1130000794310546304