Guzman-McMillan, G., & Croyle, W. (2011). Angel in the rubble: The miraculous rescue of 9/11's last survivor (1st Howard Books hardcover ed.). Howard Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGuzman-McMillan, Genelle, और William Croyle. Angel in the Rubble: The Miraculous Rescue of 9/11's Last Survivor. 1st Howard Books hardcover ed. New York: Howard Books, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGuzman-McMillan, Genelle, और William Croyle. Angel in the Rubble: The Miraculous Rescue of 9/11's Last Survivor. 1st Howard Books hardcover ed. Howard Books, 2011.
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