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)
Yukihiko Toquenaga and Yukari Suzuki,Evolution of generosity in the demand game,Population ecology,14383896,Tokyo : Springer Japan,2005-04,47,1,31-39,https://cir.nii.ac.jp/crid/1523106604633801216,