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
"Williams, T. O.",Impact of livestock pricing policies on meat and milk output in selected sub-Saharan African countries,,International Livestock Centre for Africa,1993,ILCA research report,,9290532637,,https://cir.nii.ac.jp/crid/1130282269360285312