Hatfield, M. (2005). Strength training for muscle development: A step-by-step guide, improve your strength, 20-minute workouts. Greenwich.
Citação do estilo Chicago (17ª ed.)Hatfield, Mark. Strength Training for Muscle Development: A Step-by-step Guide, Improve Your Strength, 20-minute Workouts. London: Greenwich, 2005.
Citação MLA (9ª ed.)Hatfield, Mark. Strength Training for Muscle Development: A Step-by-step Guide, Improve Your Strength, 20-minute Workouts. Greenwich, 2005.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.