Lua APA (7ú heag.)
Ball, H. (2012). At liberty to die: The battle for death with dignity in America. New York University Press.
Lua i Stíl Chicago (17ú heag.)
Ball, Howard. At Liberty to Die: The Battle for Death with Dignity in America. New York: New York University Press, 2012.
Lua MLA (9ú heag.)
Ball, Howard. At Liberty to Die: The Battle for Death with Dignity in America. New York University Press, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.