Ayres, E. (2012). The longest race: A lifelong runner, an iconic ultramarathon, and the case for human endurance. Experiment.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAyres, Ed. The Longest Race: A Lifelong Runner, an Iconic Ultramarathon, and the Case for Human Endurance. New York: Experiment, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAyres, Ed. The Longest Race: A Lifelong Runner, an Iconic Ultramarathon, and the Case for Human Endurance. Experiment, 2012.
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