Ralston, A. (2010). 127 hours: Between a rock and a hard place (1st Atria pbk. ed.). Atria Paperback.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRalston, Aron. 127 Hours: Between a Rock and a Hard Place. 1st Atria pbk. ed. New York, NY: Atria Paperback, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRalston, Aron. 127 Hours: Between a Rock and a Hard Place. 1st Atria pbk. ed. Atria Paperback, 2010.
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