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 "Keiser, Steven Hartman",Pennsylvania German in the American Midwest,,[Duke University Press],2012,Publication of the American Dialect Society,,9780822367697,,https://cir.nii.ac.jp/crid/1130282269642513024