Southworth, E. D. E. N. (1889). A leap in the dark: A novel. R. Bonner.
Lua i Stíl Chicago (17ú heag.)Southworth, Emma Dorothy Eliza Nevitte. A Leap in the Dark: A Novel. New York: R. Bonner, 1889.
Lua MLA (8ú heag.)Southworth, Emma Dorothy Eliza Nevitte. A Leap in the Dark: A Novel. R. Bonner, 1889.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.