Conrad, J. (1994). Heart of darkness. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Conrad, Joseph. Heart of Darkness. London: Penguin Books, 1994.
Lua MLA (9ú heag.)Conrad, Joseph. Heart of Darkness. Penguin Books, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.