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
"Abeysekara, Terrence and Sēnānāyaka, Piyadāsa",Economics of vegetable production and marketing : a case study of 4 villages in Palugama (Welimada),,Agrarian Research and Training Institute,1974,Research study series,,,,https://cir.nii.ac.jp/crid/1130000798126984832