Hoover, J. (2007). Difficult People. HarperCollins.
Lua i Stíl Chicago (17ú heag.)Hoover, John. Difficult People. New York: HarperCollins, 2007.
Lua MLA (9ú heag.)Hoover, John. Difficult People. HarperCollins, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.