Newell. Histories of Dirt. Duke University Press.
Lua i Stíl Chicago (17ú heag.)Newell. Histories of Dirt. Duke University Press.
Lua MLA (9ú heag.)Newell. Histories of Dirt. Duke University Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.