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 "Becker, Kara","The low-back-merger shift : uniting the Canadian vowel shift, the California vowel shift, and short front vowel shifts across North America",,American Dialect Society,2019,Publication of the American Dialect Society,,9781478008644,,https://cir.nii.ac.jp/crid/1130285376541420416