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
"Quintos, Maria Theresa and Philippine Tariff Commission and Philippine Institute for Development Studies",Effective protection rate : methodology,,Tariff Commission : Philippine Institute for Development Studies],1987,Tariff Commission-PIDS Joint Research Project staff paper series,,,,https://cir.nii.ac.jp/crid/1130000795911552512