Levy, B. (2011). River of darkness: Francisco Orellana's legendary voyage of death and discovery down the Amazon. Bantam Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLevy, Buddy. River of Darkness: Francisco Orellana's Legendary Voyage of Death and Discovery Down the Amazon. New York: Bantam Books, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLevy, Buddy. River of Darkness: Francisco Orellana's Legendary Voyage of Death and Discovery Down the Amazon. Bantam Books, 2011.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.