Gilbert, A. (1956). Riddle of a lady. Crime Club.
Lua i Stíl Chicago (17ú heag.)Gilbert, Anthony. Riddle of a Lady. London: Crime Club, 1956.
Lua MLA (8ú heag.)Gilbert, Anthony. Riddle of a Lady. Crime Club, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.