Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Ehrenström, Nils and Gassmann, Günther and World Council of Churches",Confessions in dialogue : a survey of bilateral conversations among world confessional families 1962-1971,,World Council of Churches,1972,Faith and order paper,,,,https://cir.nii.ac.jp/crid/1130000793717205760