Fitzgerald, M., & Grgach, R. (2017). 80/20 running: Run stronger and race faster by training slower (Unabridged.). Tantor Media.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFitzgerald, Matt, और Rob Grgach. 80/20 Running: Run Stronger and Race Faster by Training Slower. Unabridged. Old Saybrook: Tantor Media, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFitzgerald, Matt, और Rob Grgach. 80/20 Running: Run Stronger and Race Faster by Training Slower. Unabridged. Tantor Media, 2017.
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