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 "Land, Anthony M.",The role of the state in the provision of domestic water supply and sanitation in rural Botswana,,Supplied by the British Library Document Supply Centre,1987,British thesis service,,,,https://cir.nii.ac.jp/crid/1130000796195447936