Noh drama 論文集所収 Noel John Pinnington ·2015-07-31 ·『Cambridge University Press eBooks』 pp. 328-339 doi:10.1017/cho9781139245869.036
Sociolinguistic factors in loss and acquisition of phonology 論文集所収 Roy C. Major ·2010-07-06 ·『Cambridge University Press eBooks』 pp. 463-478 doi:10.1017/cbo9780511627781.019