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
"Albert, Mathias and Hilkermeier, Lena",Observing international relations : Niklas Luhmann and world politics,,Routledge,2004,The new international relations,,0415315387,,https://cir.nii.ac.jp/crid/1130282270680302464