著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Christian ETZRODT,A Societal Differentiation Theory from a Phenomenological Point of View : Value Dilemmas as Core Characteristic of Modern Societies,AIU global review,18838243,Akita : Akita International University Press,2013,5,,74-92,https://cir.nii.ac.jp/crid/1520853834900384640,