Steinberg, T. (2006). Acts of God: The unnatural history of natural disaster in America (2nd ed.). Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Steinberg, Theodore. Acts of God: The Unnatural History of Natural Disaster in America. 2nd ed. New York: Oxford University Press, 2006.
Lua MLA (9ú heag.)Steinberg, Theodore. Acts of God: The Unnatural History of Natural Disaster in America. 2nd ed. Oxford University Press, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.