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
"Westra, Laura",Plotinus and freedom : a meditation on Enneads 6.8,,E. Mellen Press,1990,Studies in the history of philosophy,,0889463123,,https://cir.nii.ac.jp/crid/1130282269528244480