Ball. Working in the Killing Fields. University of Nebraska Press.
Lua i Stíl Chicago (17ú heag.)Ball. Working in the Killing Fields. University of Nebraska Press.
Lua MLA (9ú heag.)Ball. Working in the Killing Fields. University of Nebraska Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.