著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Singleton, D. M. (David Michael) and Lengyel, Zsolt and American Association for Applied Linguistics",The age factor in second language acquisition : a critical look at the critical period hypothesis,,Multilingual Matters,1995,Multilingual matters,,"1853593028,185359301X",,https://cir.nii.ac.jp/crid/1130282271897713152