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
"Chambers, Robert and University of Sussex. Institute of Development Studies","Sustainable rural livelihoods : a strategy for people, environment and development",,Institute of Development Studies at the University of Sussex,1987,Commissioned study,,,,https://cir.nii.ac.jp/crid/1130282269251278336