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
Ethiopia. YaMāʿekalāwi stātistiks bālaśelṭān,"Time series data on area, production, and yield of major crops, 1979/80-1985/86 (1972-1978 E.C.)",,"Peoples' Democratic Republic of Ethiopia, Central Statistical Authority",1987,Statistical bulletin,,,,https://cir.nii.ac.jp/crid/1130000796113135488