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 "Meth, Charles","Sorry, wrong number! : a critical examination of African labour force estimates, 1970-87",,"Economic Research Unit, University of Natal",1988,Research monograph,,0869806319,,https://cir.nii.ac.jp/crid/1130282271329532544