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
United States. Bureau of the Census,"The social and economic status of the Black population in the United States : an historical view, 1790-1978",,"U.S. Dept. of Commerce, Bureau of the Census : for sale by the Supt. of Docs., U.S. Govt. Print. Off",1979,Current population reports : Special studies : Series P-23,,,,https://cir.nii.ac.jp/crid/1130000795603057152