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
"Saunders, A. C. de C. M.","A social history of black slaves and freedmen in Portugal, 1441-1555",,Cambridge University Press,1982,Cambridge Iberian and Latin American studies,,0521231507,,https://cir.nii.ac.jp/crid/1130282270527464064