Fitzgerald, M. (2014). 80/20 running: Run stronger and race faster by training slower. NAL, New American Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFitzgerald, Matt. 80/20 Running: Run Stronger and Race Faster by Training Slower. New York, New York: NAL, New American Library, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFitzgerald, Matt. 80/20 Running: Run Stronger and Race Faster by Training Slower. NAL, New American Library, 2014.
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