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
"Van Vegten, J. A. (Jan A.) and University College of Botswana. National Institute of Development and Cultural Research. Documentation Unit",Man-made vegetation changes : an example from Botswana's savanna,,"National Institute of Development and Cultural Research, Documentation Unit, University College of Botswana, University of Botswana and Swaziland",1981,Working paper,,,,https://cir.nii.ac.jp/crid/1130282270140468864