Child, L. (2002). Without fail. Bantam Books.
Lua i Stíl Chicago (17ú heag.)Child, Lee. Without Fail. London: Bantam Books, 2002.
Lua MLA (8ú heag.)Child, Lee. Without Fail. Bantam Books, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.