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 "Gale, Hoyt S. (Hoyt Stoddard) and United States. Dept. of the Interior and Geological Survey (U.S.)",Coal fields of northwestern Colorado and northeastern Utah,,Government Printing Office,1910,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282270625277568