Yuko Igarashi ·2003-01-01 ·17 pp. 35-47
4件 (「mother tongue」)
Patrick Heinrich ·2005-11-01 ·『Japan focus』 3(11)
Peter H. Lee ·2003-12-18 ·『Cambridge University Press eBooks』 pp. 420-456
Patricia K. Kuhl ·2003-08-11 ·『Proceedings of the National Academy of Sciences』 100(17) pp. 9645-9646