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
"Sumita, U. (Ushio) and Ise, Tsunehisa",Structural analysis of optimal investment strategy for project management via real option approach,,University of Tsukuba,2003,Institute of Socio-Economic Planning discussion paper series,,,,https://cir.nii.ac.jp/crid/1130000797966196992