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
"Wittink, Dick R. and Porter, John C. and Gupta, Sachin",Dangers in using market-level data for determining promotion effects : working paper,,Marketing Science Institute,1993,Report,,,,https://cir.nii.ac.jp/crid/1130282271225433600