13 Fear of the True Self: Social Anxiety and the Silent Behaviour of Japanese Learners of English 論文集所収 Jim King ·2014-12-31 ·『Multilingual Matters eBooks』 pp. 232-249 doi:10.21832/9781783092383-014
Second language acquisition of a regional dialect of American English by native Japanese speakers 論文集所収 Robert A. Fox・Julie McGory ·2007-01-17 ·『Language learning and language teaching』 pp. 117-134 doi:10.1075/lllt.17.13fox