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
"Dovring, Folke and Dovring, Karin",Land and labor in Europe in the twentieth century : a comparative survey of recent agrarian history,"3rd rev. ed., of Land and labor in Europe, 1900-1950",M. Nijhoff,1965,Studies in social life,,,,https://cir.nii.ac.jp/crid/1130000797419593344