On the Loss of English as a Second Language by Japanese Returnee Children 論文集所収 Asako Yoshitomi ·1999-11-25 ·pp. 80-111 doi:10.1093/oso/9780195123043.003.0004
The acquisition of communicative style in Japanese 論文集所収 Patricia M. Clancy ·1987-02-27 ·『Cambridge University Press eBooks』 pp. 213-250 doi:10.1017/cbo9780511620898.011