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
"Bittner, Walton S. and Mallory, Hervey F.",University teaching by mail : a survey of correspondence instruction conducted by American universities,,Macmillan,1933,Studies in adult education,,,,https://cir.nii.ac.jp/crid/1130282270668539392