著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI)
OKSANEN J,Vegan : Community Ecology Package. R package ver. 2.0-2,http://CRAN.R-project.org/package=vegan,,,2011,,,,https://cir.nii.ac.jp/crid/1571135649259339136,