Imbrie, A. E. (1994). Spoken in darkness: Small-town murder and a friendship beyond death. Penguin.
Lua i Stíl Chicago (17ú heag.)Imbrie, Ann E. Spoken in Darkness: Small-town Murder and a Friendship Beyond Death. London: Penguin, 1994.
Lua MLA (9ú heag.)Imbrie, Ann E. Spoken in Darkness: Small-town Murder and a Friendship Beyond Death. Penguin, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.