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 "Cullen, Holly",The role of international law in the elimination of child labor,,Martinus Nijhoff Publishers,2007,The Procedural aspects of international law series,,9789004162853,,https://cir.nii.ac.jp/crid/1130000797242429312