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
"Hultgren, Thor and Pech, Maude R.","Cost, prices, and profits : their cyclical relations",,"National Bureau of Economic Research,Distributed by Columbia University Press",1965,Studies in business cycles,,,,https://cir.nii.ac.jp/crid/1130000794084009600