Hingson, M., & Flory, S. (2011). Thunder dog: The true story of a blind man, his guide dog, and the triumph of trust at Ground Zero. Thomas Nelson.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHingson, Michael, और Susy Flory. Thunder Dog: The True Story of a Blind Man, His Guide Dog, and the Triumph of Trust at Ground Zero. Nashville, Tenn.: Thomas Nelson, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHingson, Michael, और Susy Flory. Thunder Dog: The True Story of a Blind Man, His Guide Dog, and the Triumph of Trust at Ground Zero. Thomas Nelson, 2011.
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