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
"Wykstra, Ronald A. and Wallace, E. S. and Hauswald, E. L.",Nebraska economic indicators : a study of the timing of cyclical fluctuations,,"Bureau of Business Research, College of Business Administation, University of Nebraska",1965,Business research bulletin,,,,https://cir.nii.ac.jp/crid/1130000798248762752