Conrad, J. (2007). Heart of darkness, with, the congo diary. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Conrad, Joseph. Heart of Darkness, with, the Congo Diary. London: Penguin Books, 2007.
Lua MLA (9ú heag.)Conrad, Joseph. Heart of Darkness, with, the Congo Diary. Penguin Books, 2007.
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