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
"Silvester, Jeremy Gale","Black pastoralists, white farmers : the dynamics of land dispossession and labour recruitment in Southern Namibia 1915-1955",,Supplied by the British Library Document Supply Centre,1993,British thesis service,,,,https://cir.nii.ac.jp/crid/1130000797496698240