Christie, A. (1932). Peril at end house. Harper Collins, London.
Lua i Stíl Chicago (17ú heag.)Christie, Agatha. Peril at End House. Harper Collins, London, 1932.
Lua MLA (9ú heag.)Christie, Agatha. Peril at End House. Harper Collins, London, 1932.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.