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
"Ragland, John and Lal, R. and American Society of Agronomy. Division A-6","Technologies for sustainable agriculture in the tropics : proceedings of two international symposia sponsored by Division A-6 of the American Society of Agronomy in San Antonio, TX, and Denver, CO, 1990 and 1991 respectively",,American Society of Agronomy : Crop Science Society of America : Soil Science Society of America,1993,ASA special publication,,0891181180,,https://cir.nii.ac.jp/crid/1130000797686952448