Cunfer. Bison and People on the North American Great Plains. Texas A&M University Press.
Lua i Stíl Chicago (17ú heag.)Cunfer. Bison and People on the North American Great Plains. Texas A&M University Press.
Lua MLA (8ú heag.)Cunfer. Bison and People on the North American Great Plains. Texas A&M University Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.