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
"Rudengren, Jan",A methodological study of population density and distribution : a case study of West-Lake Region,,"Bureau of Resource Assessment and Land Use Planning, University of Dar es Salaam",1974,Research report,,,,https://cir.nii.ac.jp/crid/1130000794243155200