Conrad, J., & Kimbrough, R. (1988). Heart of darkness: An authoritative text, backgrounds and sources, criticism (3rd ed.). Norton.
Lua i Stíl Chicago (17ú heag.)Conrad, Joseph, agus Robert Kimbrough. Heart of Darkness: An Authoritative Text, Backgrounds and Sources, Criticism. 3rd ed. New York: Norton, 1988.
Lua MLA (8ú heag.)Conrad, Joseph, agus Robert Kimbrough. Heart of Darkness: An Authoritative Text, Backgrounds and Sources, Criticism. 3rd ed. Norton, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.