Haycraft, H. (1946). The art of mystery: A collection of critical essays. Universal Library.
Lua i Stíl Chicago (17ú heag.)Haycraft, Howard. The Art of Mystery: A Collection of Critical Essays. New York: Universal Library, 1946.
Lua MLA (9ú heag.)Haycraft, Howard. The Art of Mystery: A Collection of Critical Essays. Universal Library, 1946.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.