Kiichi Iitoyo[a], Sukezumi Hino[b], and Ryōichi Satō[c]A Course in Dialectology: Vol. 8, The Dialects of the Chūgoku and Shikoku Regions[d]Kokusho Publication Society, 1982, P. 44
Naoya Tsuzome[i] "The words of our hometowns: a brief dictionary 28, Hyōgo Prefecture"[j]Language Monthly[k] January 2003 issue, Taishūkan Bookstore, 2003