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,Mother tongue of the foreign born : selected characteristics of foreign born by language spoken before coming to U.S,,"U.S. Dept. of Commerce, Bureau of the Census : U.S. G.P.O.",1966,"U.S. census of population, 1960",,,,https://cir.nii.ac.jp/crid/1130000795440908032