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
"Van Heerde, Harald J. and Gupta, Sachin and Wittink, Dick R. and Marketing Science Institute",The brand switching fraction of promotion effects : unit sales versus elesticity decompositions,,Marketing Science Institute,2002,Report,,,,https://cir.nii.ac.jp/crid/1130000795540915968