1. Henpinsei-Kono Fushigi na Nihonteki Shoho;Ejiri,1979
2. Why Are There So Many Retail Stores in Japan?;Flath,1988
3. Yunyuhin no Ryutsu Oyobi Shokanko;Keizai Kikakucho Bukka Kyoku Bukka Seisaku Ka [Economic Planning Agency, Price Level Division, Price Level Policy Section],1986
4. Ryutsu Keiretsuka to Dokusen Kinshi Ho,1981
5. Sale or return agreements versus outright sales;Pellegrini,1986