Halleran. The Better Angels of Our Nature. The University of Alabama Press.
Lua i Stíl Chicago (17ú heag.)Halleran. The Better Angels of Our Nature. The University of Alabama Press.
Lua MLA (9ú heag.)Halleran. The Better Angels of Our Nature. The University of Alabama Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.