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
"Hoffberg, George",Education,,"U.S. Dept. of Commerce, Bureau of the Census, Foreign Demographic Analysis Division",1969,International population reports,,,,https://cir.nii.ac.jp/crid/1130000796323583360