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
"Fredericks, L. J. (Leo J.) and Wells, R. J. G. and Dissanayake, B. W.",Patterns of labor utilization and income distribution in rice double ropping systems : policy implications,,Council for Asian Manpower Studies,1977,Discussion paper series,,,,https://cir.nii.ac.jp/crid/1130000795544932224