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
"Whitehall, Harold",Middle English ū and related sounds : their development in early American English,,Kraus Reprint,1939,"Supplement to Language, journal of the Linguistic Society of America",,,,https://cir.nii.ac.jp/crid/1130282271822112512