Brown, S. (2003). Hello darkness. Pocket Books.
Lua i Stíl Chicago (17ú heag.)Brown, Sandra. Hello Darkness. New York: Pocket Books, 2003.
Lua MLA (8ú heag.)Brown, Sandra. Hello Darkness. Pocket Books, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.