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 "Spurr, M. S.",Arable cultivation in Roman Italy : c.200 B.C.-c.A.D. 100,,Society for the Promotion of Roman Studies,1986,Journal of Roman studies monographs,,0907764061,,https://cir.nii.ac.jp/crid/1130000794669350656