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
"Ek, Karl-Gustav",The development of OE ĂE (I-mutated Ă) before nasals and OE ĀE in south-eastern Middle English,,Gleerup,1975,Acta Universitatis Lundensis,,9140040062,,https://cir.nii.ac.jp/crid/1130282272766768768