Fitzgerald, M., & Grgach, R. (2017). 80/20 running: Run stronger and race faster by training slower (Unabridged.). Tantor Media.
Cita Chicago Style (17a ed.)Fitzgerald, Matt, y Rob Grgach. 80/20 Running: Run Stronger and Race Faster by Training Slower. Unabridged. Old Saybrook: Tantor Media, 2017.
Cita MLA (8a ed.)Fitzgerald, Matt, y Rob Grgach. 80/20 Running: Run Stronger and Race Faster by Training Slower. Unabridged. Tantor Media, 2017.
Precaución: Estas citas no son 100% exactas.