Knox, O. (1976). A family failing. Collins.
Lua i Stíl Chicago (17ú heag.)Knox, Oliver. A Family Failing. London: Collins, 1976.
Lua MLA (8ú heag.)Knox, Oliver. A Family Failing. Collins, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.