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
"Aregbeyen, John John Babatunde Otuakhena",Health care services utilization in Nigerian rural communities : a focus on Otuo community and its environs in Edo state,,Nigerian Institute of Social and Economic Research,1992,N.I.S.E.R monograph series,,9781810335,,https://cir.nii.ac.jp/crid/1130282271712302720