FitzGerald, H. C. (2017). Ruthless river: Love and survival by raft on the Amazon's relentless Madre de Dios. Vintage Books, a division of Penguin Random House LLC.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFitzGerald, Holly Conklin. Ruthless River: Love and Survival by Raft on the Amazon's Relentless Madre De Dios. New York: Vintage Books, a division of Penguin Random House LLC, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFitzGerald, Holly Conklin. Ruthless River: Love and Survival by Raft on the Amazon's Relentless Madre De Dios. Vintage Books, a division of Penguin Random House LLC, 2017.
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