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 "Smith, Raymond F. and University of Illinois (Urbana-Champaign campus). Bureau of Economic and Business Research",Operating and earning power ratios of electric companies,,University of Illinois,1932,University of Illinois bulletin,,,,https://cir.nii.ac.jp/crid/1130000796689371008