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
"Massow, Valentin von","Dairy imports into sub-Saharan Africa : problems, policies, and prospects",,International Livestock Centre for Africa,1989,ILCA research report,,9290530987,,https://cir.nii.ac.jp/crid/1130282271812597888