Conrad, J., & Armstrong, P. B. (2017). Heart of darkness: Authoritative text, backgrounds and contexts, criticism (Fifth edition.). W.W. Norton & Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रConrad, Joseph, और Paul B. Armstrong. Heart of Darkness: Authoritative Text, Backgrounds and Contexts, Criticism. Fifth edition. New York: W.W. Norton & Company, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रConrad, Joseph, और Paul B. Armstrong. Heart of Darkness: Authoritative Text, Backgrounds and Contexts, Criticism. Fifth edition. W.W. Norton & Company, 2017.
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