Hoffman, J. (2006). Norms for fitness, performance, and health. Champaign, IL.: Human Kinetics.
استشهاد بنمط شيكاغوHoffman, Jay. Norms for Fitness, Performance, and Health. Champaign, IL.: Human Kinetics, 2006.
MLA استشهادHoffman, Jay. Norms for Fitness, Performance, and Health. Champaign, IL.: Human Kinetics, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.