Uhnak, D. (1977). The investigation. Pocket Books.
Lua i Stíl Chicago (17ú heag.)Uhnak, Dorothy. The Investigation. New York: Pocket Books, 1977.
Lua MLA (9ú heag.)Uhnak, Dorothy. The Investigation. Pocket Books, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.