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
"Humphrey, David B. and Salomon Brothers Center for the Study of Financial Institutions","The U.S. payments system : costs, pricing, competition, and risk",,"Salomon Bros. Center for the Study of Financial Institutions, Graduate School of Business Administration of New York University",1984,Monograph series in finance and economics,,,,https://cir.nii.ac.jp/crid/1130000794261441408