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 International Conference on Geographic Information Systems Applications for Urban and Regional Planning and United Nations Centre for Regional Development and Indonesia. Direktorat Jenderal Cipta Karya,"Geographic information systems applications for urban and regional planning : report and summary of proceedings of the International Conference on Geographic information Systems Applications for Urban and Regional Planning, Ciloto, Puncak, Indonesia, 3-6 October 1989",,"United Nations Centre for Regional Development in cooperation with Directorate General of Human Settlements, Ministry of Public Works, Government of Indonesia",1990,UNCRD meeting report series,,4906236022,,https://cir.nii.ac.jp/crid/1130000797103659264