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
"Prochazka, Zora and United States. Bureau of the Census",The labor force of Bulgaria,,"U.S. Dept. of Commerce, Bureau of the Census,For sale by Supt. of Docs., U.S. G.P.O.",1962,International population statistics reports,,,,https://cir.nii.ac.jp/crid/1130282271838770944