National Strength & Conditioning Association (U.S.) & Brown, L. E. (2017). Strength training (Second edition.). Human Kinetics.
Cita Chicago (17th ed.)National Strength & Conditioning Association (U.S.) i Lee E. Brown. Strength Training. Second edition. Champaign, IL: Human Kinetics, 2017.
Cita MLA (9th ed.)National Strength & Conditioning Association (U.S.) i Lee E. Brown. Strength Training. Second edition. Human Kinetics, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.