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 "Riggs, Stephen Return and Geographical and Geological Survey of the Rocky Mountain Region (U.S.)","Dakota grammar, texts, and ethnography",,AMS Press,1976,Contributions to North American ethnology,,0404118917,,https://cir.nii.ac.jp/crid/1130282271698477568