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 Nations. Economic Commission for Europe and United Nations,"Best practice guidance for effective methane management in the oil and gas sector : monitoring, reporting and verification (MRV) and mitigation",,United Nations,2020,ECE energy series,,9789211172171,,https://cir.nii.ac.jp/crid/1130285376498482816