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 United States. Congress. Senate. Committee on Foreign Relations,"The Vandenberg Resolution and the North Atlantic Treaty : Hearings held in executive session before the committee on foreign relations, United States Senate, Eightieth Congress, second session on S. Res. 239, reaffirming the policy of the United States to Achieve international peace and security through the United Nations and indicating certain objective to be pursued, and Eighty-first Congress, first session on Executive L, the North Atlantic Treaty",,U.S. G.P.O.,1973,Historical series,,,,https://cir.nii.ac.jp/crid/1130000794216979712