Power, S. (2003). A problem from hell: Merica and the age of genocide. HarperCollins.
Lua i Stíl Chicago (17ú heag.)Power, Samantha. A Problem from Hell: Merica and the Age of Genocide. New York: HarperCollins, 2003.
Lua MLA (9ú heag.)Power, Samantha. A Problem from Hell: Merica and the Age of Genocide. HarperCollins, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.