Roots of the wakimae aspect of linguistic politeness 論文集所収 Sachiko Ide ·2012-05-01 ·『John Benjamins Publishing Company eBooks』 pp. 121-138 doi:10.1075/z.170.08ide
Politeness in Japan 論文集所収 Michael Haugh・Yasuko Obana ·2011-09-08 ·『Cambridge University Press eBooks』 pp. 147-175 doi:10.1017/cbo9780511977886.009