Douglas, A. M. (1872). Lucia: Her problem. Sheldon.
Lua i Stíl Chicago (17ú heag.)Douglas, Amanda Minnie. Lucia: Her Problem. New York: Sheldon, 1872.
Lua MLA (8ú heag.)Douglas, Amanda Minnie. Lucia: Her Problem. Sheldon, 1872.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.