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 Indonesia. Biro Pusat Statistik,Industri besar dan sedang di Sumatera Utara = Large and medium manufacturing establishments in North Sumatera,,In-house reproduction,1978,Sensus industri 1974/1975 = 1974/1975 industrial census,,,,https://cir.nii.ac.jp/crid/1130282272214578944